12 Days of Christmas
9th
8th
5th
15th
37th
86th
129th
84th
10th
24th
13th
15th
25th
16th
12th
65th
19th
45th
10th
14th
101st
336th
27th
16th
34th
58th
29th
9th
15th
35th
51st
123rd
11th
771st
11th
19th
77th
65th
3rd
20th
43rd
10th
16th
21st
16th
10th
24 Game
💎
39th
2nd
99 Bottles of Beer
11th
8th
5th
11th
30th
93rd
124th
55th
7th
15th
14th
19th
17th
16th
12th
58th
14th
42nd
12th
13th
105th
426th
25th
9th
18th
60th
23rd
12th
13th
36th
60th
134th
12th
854th
13th
17th
82nd
58th
8th
15th
34th
13th
12th
17th
9th
11th
Abundant Numbers
17th
10th
7th
18th
17th
31st
121st
99th
20th
31st
19th
28th
15th
22nd
23rd
67th
30th
71st
9th
29th
120th
290th
49th
30th
18th
52nd
25th
12th
22nd
36th
59th
83rd
13th
190th
16th
28th
96th
83rd
5th
16th
38th
9th
20th
11th
21st
20th
Abundant Numbers (Long)
10th
4th
5th
14th
11th
45th
50th
64th
8th
22nd
14th
26th
11th
12th
12th
31st
24th
38th
19th
58th
121st
34th
22nd
14th
31st
20th
12th
12th
25th
35th
30th
10th
371st
16th
18th
45th
37th
6th
6th
22nd
8th
12th
8th
16th
13th
Arabic to Roman
6th
5th
5th
Arithmetic Numbers
2nd
Arrows
4th
Ascending Primes
2nd
2nd
ASCII Table
7th
10th
3rd
13th
27th
40th
48th
42nd
11th
9th
10th
9th
8th
10th
31st
18th
17th
8th
11th
39th
92nd
16th
13th
12th
24th
15th
9th
9th
15th
21st
37th
6th
260th
8th
15th
43rd
29th
4th
3rd
8th
7th
7th
5th
8th
10th
brainfuck
5th
3rd
13th
39th
153rd
2nd
Catalan Numbers
19th
2nd
5th
6th
11th
16th
29th
20th
8th
16th
13th
12th
10th
12th
5th
24th
27th
33rd
7th
31st
31st
79th
35th
12th
14th
10th
9th
5th
6th
19th
7th
32nd
11th
1st
5th
19th
51st
10th
6th
5th
5th
12th
12th
4th
5th
10th
Catalan’s Constant
8th
3rd
5th
8th
12th
11th
17th
18th
9th
11th
11th
6th
11th
8th
15th
14th
11th
5th
30th
44th
45th
5th
15th
15th
5th
5th
12th
10th
9th
23rd
10th
145th
9th
12th
19th
9th
7th
4th
15th
11th
7th
4th
7th
14th
Christmas Trees
10th
9th
3rd
9th
22nd
60th
100th
38th
24th
13th
17th
7th
12th
11th
34th
19th
37th
9th
14th
57th
255th
23rd
13th
14th
43rd
21st
9th
13th
32nd
53rd
76th
8th
668th
10th
24th
83rd
49th
7th
9th
22nd
8th
14th
8th
13th
10th
Collatz
17th
13th
8th
17th
12th
65th
85th
101st
9th
19th
18th
26th
13th
15th
13th
38th
36th
50th
8th
17th
80th
196th
37th
24th
16th
43rd
19th
12th
11th
24th
46th
38th
11th
529th
16th
18th
55th
59th
8th
5th
26th
12th
14th
6th
22nd
CSS Colors
6th
4th
Cubes
5th
3rd
5th
8th
20th
40th
36th
18th
9th
6th
7th
4th
8th
8th
23rd
9th
17th
6th
9th
35th
91st
14th
8th
11th
15th
9th
4th
9th
13th
9th
36th
5th
279th
6th
12th
33rd
22nd
13th
9th
7th
3rd
9th
6th
6th
6th
Day of Week
5th
DFA Simulator
2nd
Diamonds
8th
11th
5th
11th
33rd
72nd
49th
39th
48th
10th
16th
5th
9th
13th
27th
21st
34th
8th
16th
43rd
137th
25th
12th
13th
34th
15th
7th
12th
19th
28th
47th
8th
448th
7th
24th
63rd
29th
9th
9th
14th
7th
13th
8th
6th
9th
Divisors
25th
10th
5th
19th
10th
41st
139th
42nd
14th
33rd
22nd
27th
18th
26th
20th
74th
30th
110th
14th
52nd
135th
536th
49th
30th
32nd
98th
31st
14th
23rd
49th
126th
93rd
13th
82nd
19th
17th
153rd
94th
5th
13th
48th
19th
24th
12th
23rd
18th
Emirp Numbers
15th
10th
10th
10th
26th
55th
40th
29th
27th
18th
10th
15th
8th
12th
15th
31st
16th
56th
10th
31st
35th
197th
22nd
19th
14th
27th
15th
5th
13th
28th
34th
44th
11th
160th
9th
23rd
106th
22nd
3rd
7th
10th
9th
14th
5th
11th
13th
Emirp Numbers (Long)
8th
7th
6th
10th
13th
40th
29th
27th
7th
12th
9th
12th
7th
7th
10th
19th
13th
21st
6th
18th
23rd
61st
17th
14th
10th
15th
10th
7th
7th
11th
17th
16th
6th
173rd
8th
16th
33rd
18th
6th
5th
8th
6th
8th
3rd
8th
11th
Emojify
6th
5th
Evil Numbers
21st
12th
8th
16th
27th
54th
100th
37th
27th
37th
14th
23rd
18th
14th
24th
68th
31st
72nd
12th
54th
50th
371st
41st
39th
26th
39th
25th
16th
24th
11th
79th
76th
21st
215th
14th
16th
159th
80th
1st
8th
39th
15th
23rd
10th
17th
19th
Evil Numbers (Long)
12th
10th
5th
15th
12th
19th
55th
58th
11th
27th
15th
21st
11th
13th
14th
34th
32nd
33rd
7th
33rd
41st
123rd
25th
32nd
18th
27th
20th
14th
16th
22nd
33rd
38th
15th
116th
12th
11th
50th
47th
4th
7th
21st
15th
13th
8th
14th
Factorial Factorisation
3rd
7th
Farey Sequence
4th
Fibonacci
82nd
10th
6th
42nd
36th
30th
80th
260th
101st
19th
32nd
42nd
63rd
51st
50th
27th
54th
22nd
23rd
59th
172nd
58th
171st
28th
48th
31st
54th
177th
95th
34th
62nd
170th
78th
26th
18th
32nd
188th
155th
27th
129th
39th
19th
24th
225th
196th
5th
49th
89th
17th
59th
31st
41st
53rd
Fizz Buzz
112th
22nd
1st
8th
11th
31st
476th
48th
31st
67th
63rd
62nd
49th
84th
33rd
73rd
242nd
58th
53rd
67th
55th
507th
1st
32nd
37th
47th
43rd
100th
40th
15th
8th
1st
341st
42nd
153rd
50th
18th
113th
301st
7th
80th
163rd
36th
35th
35th
47th
47th
Foo Fizz Buzz Bar
11th
21st
15th
18th
99th
99th
74th
11th
19th
19th
19th
10th
13th
12th
42nd
24th
42nd
7th
17th
106th
238th
32nd
20th
15th
32nd
18th
11th
11th
32nd
42nd
73rd
16th
635th
15th
25th
50th
42nd
6th
15th
19th
12th
16th
9th
16th
Forsyth–Edwards Notation
3rd
3rd
2nd
Fractions
10th
4th
242nd
Game of Life
3rd
13th
64th
3rd
Gijswijt’s Sequence
4th
6th
Happy Numbers
16th
17th
4th
11th
26th
53rd
48th
32nd
26th
21st
14th
14th
9th
15th
15th
50th
25th
56th
8th
32nd
40th
183rd
23rd
28th
18th
31st
15th
8th
13th
31st
27th
51st
12th
264th
11th
27th
74th
22nd
3rd
8th
15th
8th
17th
5th
13th
15th
Happy Numbers (Long)
8th
14th
4th
13th
17th
57th
33rd
26th
8th
19th
14th
15th
7th
8th
12th
29th
25th
31st
8th
24th
30th
88th
20th
26th
14th
23rd
14th
8th
11th
22nd
17th
23rd
10th
286th
13th
17th
47th
21st
3rd
5th
14th
10th
10th
6th
16th
11th
Hexdump
7th
25th
Intersection
6th
Inventory Sequence
8th
15th
9th
9th
16th
34th
25th
26th
6th
16th
9th
11th
5th
6th
8th
16th
12th
15th
8th
21st
56th
15th
9th
11th
14th
11th
8th
9th
20th
17th
18th
4th
156th
9th
10th
28th
11th
3rd
4th
5th
6th
8th
4th
9th
ISBN
9th
4th
15th
26th
19th
6th
11th
6th
Jacobi Symbol
2nd
4th
45th
Kolakoski Constant
8th
3rd
6th
9th
22nd
20th
14th
19th
10th
11th
14th
6th
16th
13th
17th
14th
14th
6th
28th
45th
12th
5th
16th
9th
5th
5th
13th
11th
9th
29th
8th
107th
7th
13th
28th
8th
7th
5th
16th
8th
7th
4th
7th
12th
Kolakoski Sequence
16th
10th
9th
10th
28th
51st
26th
28th
18th
12th
12th
5th
12th
12th
25th
16th
30th
8th
33rd
100th
19th
22nd
11th
18th
10th
7th
11th
22nd
19th
23rd
7th
250th
9th
12th
46th
21st
8th
8th
10th
7th
11th
8th
14th
13th
Leap Years
23rd
9th
5th
19th
27th
46th
136th
50th
18th
36th
26th
26th
18th
29th
33rd
72nd
27th
83rd
8th
26th
142nd
410th
47th
22nd
29th
82nd
43rd
15th
30th
10th
115th
123rd
18th
259th
21st
9th
103rd
87th
3rd
27th
47th
20th
27th
14th
24th
26th
Levenshtein Distance
5th
4th
82nd
5th
8th
Leyland Numbers
7th
6th
5th
7th
22nd
27th
32nd
21st
8th
10th
10th
8th
6th
10th
9th
18th
20th
34th
7th
23rd
24th
100th
20th
9th
11th
21st
9th
8th
7th
15th
19th
28th
8th
296th
9th
14th
43rd
19th
6th
11th
8th
7th
14th
6th
11th
7th
ln 2
6th
5th
Look and Say
9th
8th
4th
9th
24th
28th
35th
26th
10th
20th
11th
7th
6th
9th
9th
8th
22nd
19th
29th
7th
29th
118th
18th
19th
12th
23rd
13th
8th
12th
33rd
28th
26th
8th
308th
9th
18th
55th
16th
3rd
6th
7th
7th
13th
8th
9th
6th
Lucky Numbers
7th
5th
5th
8th
16th
31st
22nd
15th
9th
12th
10th
9th
6th
6th
7th
41st
15th
24th
6th
11th
17th
58th
12th
11th
12th
12th
11th
6th
8th
16th
11th
18th
5th
178th
12th
10th
23rd
12th
2nd
5th
7th
5th
9th
5th
6th
8th
Lucky Tickets
5th
2nd
Mahjong
2nd
Maze
4th
6th
1st
Medal Tally
3rd
4th
Morse Decoder
5th
Morse Encoder
3rd
7th
Musical Chords
4th
19th
25th
11th
10th
N Queens
💎
43rd
Niven Numbers
21st
9th
6th
20th
25th
64th
98th
34th
25th
31st
21st
28th
18th
21st
22nd
47th
33rd
76th
9th
37th
83rd
303rd
43rd
32nd
16th
55th
29th
14th
23rd
20th
58th
71st
16th
26th
16th
1st
104th
54th
3rd
15th
31st
15th
23rd
11th
21st
20th
Niven Numbers (Long)
9th
14th
4th
14th
10th
33rd
52nd
49th
9th
22nd
12th
19th
12th
14th
12th
31st
29th
28th
5th
26th
43rd
104th
26th
25th
13th
35th
21st
11th
16th
22nd
31st
34th
13th
334th
16th
22nd
50th
29th
7th
10th
21st
14th
13th
8th
17th
12th
Number Spiral
5th
6th
6th
10th
25th
41st
23rd
21st
7th
16th
13th
6th
10th
7th
20th
12th
13th
6th
26th
27th
59th
9th
24th
12th
13th
11th
5th
7th
11th
13th
18th
6th
137th
9th
11th
28th
11th
3rd
4th
6th
5th
11th
5th
8th
10th
Odious Numbers
20th
11th
5th
16th
27th
42nd
77th
34th
25th
34th
20th
21st
9th
21st
16th
21st
55th
34th
61st
12th
50th
16th
73rd
289th
36th
37th
24th
39th
26th
11th
24th
12th
70th
68th
17th
181st
13th
16th
115th
60th
1st
8th
34th
13th
21st
9th
16th
20th
Odious Numbers (Long)
10th
11th
5th
14th
16th
41st
47th
37th
10th
25th
14th
20th
11th
12th
13th
31st
31st
27th
6th
31st
38th
98th
25th
32nd
19th
30th
20th
12th
16th
21st
31st
34th
15th
76th
14th
13th
42nd
34th
6th
7th
21st
14th
13th
7th
14th
15th
Ordinal Numbers
10th
3rd
1st
Pangram Grep
8th
3rd
37th
18th
45th
191st
38th
25th
448th
18th
1st
23rd
30th
Pascal’s Triangle
8th
8th
4th
13th
27th
59th
52nd
28th
9th
14th
12th
13th
6th
14th
12th
36th
18th
55th
9th
50th
42nd
195th
29th
23rd
17th
38th
15th
10th
59th
38th
42nd
42nd
10th
56th
14th
19th
80th
38th
9th
9th
20th
8th
15th
9th
12th
9th
Pernicious Numbers
15th
18th
15th
19th
24th
48th
53rd
40th
25th
30th
20th
23rd
14th
19th
21st
44th
29th
46th
9th
45th
48th
166th
32nd
26th
22nd
38th
29th
12th
25th
35th
39th
52nd
13th
65th
15th
28th
94th
49th
3rd
11th
31st
16th
24th
8th
19th
23rd
Pernicious Numbers (Long)
7th
12th
4th
11th
11th
24th
27th
22nd
8th
18th
11th
14th
9th
8th
12th
23rd
15th
16th
29th
30th
64th
19th
17th
14th
17th
17th
8th
14th
12th
17th
19th
9th
80th
10th
15th
34th
19th
6th
6th
16th
8th
10th
5th
8th
12th
Poker
5th
3rd
4th
Prime Numbers
29th
14th
5th
19th
25th
28th
99th
42nd
25th
25th
20th
27th
10th
26th
17th
69th
13th
97th
11th
1st
112th
382nd
46th
35th
16th
79th
31st
10th
9th
24th
61st
80th
21st
101st
17th
15th
51st
72nd
1st
6th
41st
11th
25th
11th
21st
25th
Prime Numbers (Long)
17th
17th
5th
16th
13th
42nd
65th
39th
11th
24th
17th
22nd
9th
16th
15th
38th
5th
46th
8th
1st
26th
148th
31st
32nd
11th
38th
22nd
11th
12th
8th
36th
28th
17th
38th
17th
20th
66th
50th
2nd
9th
23rd
9th
15th
9th
21st
16th
Proximity Grid
3rd
QR Decoder
5th
68th
Quine
1st
1st
1st
115th
53rd
21st
15th
27th
10th
22nd
247th
77th
74th
1st
16th
1st
21st
1st
29th
52nd
3rd
11th
59th
1st
21st
1st
19th
12th
Recamán
13th
8th
7th
8th
13th
50th
37th
33rd
10th
17th
9th
10th
5th
9th
9th
21st
13th
23rd
8th
19th
30th
109th
20th
14th
14th
24th
14th
8th
11th
18th
19th
30th
11th
338th
11th
13th
41st
23rd
4th
5th
7th
5th
13th
7th
11th
9th
Repeating Decimals
4th
71st
Reverse Polish Notation
6th
3rd
Rijndael S-box
3rd
2nd
Rock-paper-scissors-Spock-lizard
7th
Roman to Arabic
7th
6th
3rd
Rule 110
4th
4th
4th
11th
17th
30th
31st
17th
16th
11th
7th
4th
10th
18th
10th
26th
7th
16th
25th
87th
18th
16th
11th
22nd
10th
8th
9th
14th
12th
26th
9th
48th
5th
13th
42nd
19th
6th
8th
8th
8th
8th
7th
8th
Seven Segment
4th
SI Units
2nd
4th
Sierpiński Triangle
7th
9th
4th
12th
16th
41st
32nd
16th
18th
11th
12th
9th
14th
8th
28th
11th
32nd
7th
20th
32nd
114th
22nd
9th
14th
30th
17th
8th
12th
24th
19th
36th
8th
266th
9th
13th
41st
26th
12th
10th
14th
8th
14th
7th
12th
8th
Smith Numbers
10th
5th
5th
9th
21st
33rd
25th
19th
9th
11th
9th
10th
4th
7th
8th
16th
11th
19th
7th
22nd
25th
55th
14th
9th
11th
10th
12th
7th
9th
13th
13th
14th
8th
87th
9th
11th
36th
15th
6th
4th
9th
6th
9th
5th
9th
9th
Spelling Numbers
5th
Star Wars Opening Crawl
4th
Sudoku
3rd
45th
Sudoku v2
2nd
52nd
Ten-pin Bowling
5th
11th
Time Distance
5th
Tongue-twisters
7th
6th
7th
9th
27th
41st
42nd
32nd
15th
17th
12th
10th
11th
13th
10th
25th
14th
17th
9th
11th
37th
155th
16th
8th
16th
27th
15th
8th
11th
23rd
19th
48th
7th
299th
8th
17th
43rd
23rd
10th
18th
9th
6th
14th
7th
7th
10th
United States
6th
6th
Vampire Numbers
11th
4th
2nd
9th
23rd
32nd
31st
19th
14th
13th
8th
7th
5th
7th
8th
23rd
11th
16th
7th
10th
26th
58th
11th
6th
11th
17th
12th
5th
6th
8th
7th
21st
9th
172nd
6th
8th
38th
16th
6th
5th
6th
5th
10th
3rd
6th
10th
Van Eck Sequence
8th
9th
9th
10th
21st
48th
35th
28th
9th
12th
10th
14th
3rd
8th
9th
20th
16th
22nd
7th
24th
25th
82nd
16th
17th
11th
19th
13th
8th
11th
18th
20th
8th
10th
13th
36th
20th
7th
6th
10th
7th
11th
7th
12th
Zodiac Signs
3rd
γ
4th
λ
12th
3rd
5th
14th
40th
35th
21st
21st
5th
10th
14th
15th
6th
19th
13th
26th
14th
14th
8th
33rd
79th
15th
6th
23rd
14th
8th
6th
18th
9th
14th
38th
8th
118th
10th
14th
28th
14th
7th
10th
21st
5th
4th
8th
5th
8th
16th
π
14th
6th
7th
7th
51st
51st
40th
26th
12th
16th
14th
10th
22nd
18th
38th
22nd
30th
8th
65th
167th
74th
7th
30th
15th
9th
6th
13th
40th
15th
59th
11th
384th
11th
20th
72nd
14th
6th
11th
9th
8th
5th
8th
6th
7th
14th
τ
11th
4th
6th
5th
37th
26th
21st
22nd
11th
15th
14th
10th
18th
13th
33rd
19th
19th
8th
41st
86th
63rd
7th
24th
12th
7th
6th
14th
32nd
12th
40th
10th
208th
9th
21st
50th
11th
6th
7th
5th
8th
4th
8th
6th
7th
12th
φ
13th
4th
5th
4th
37th
24th
21st
20th
13th
16th
17th
10th
19th
16th
36th
24th
27th
7th
38th
73rd
59th
7th
33rd
16th
7th
6th
14th
31st
14th
34th
12th
272nd
8th
25th
54th
12th
6th
7th
7th
9th
4th
9th
5th
7th
12th
√2
18th
4th
8th
12th
35th
28th
29th
21st
13th
17th
17th
9th
22nd
13th
42nd
20th
40th
7th
49th
80th
49th
6th
25th
12th
7th
6th
14th
30th
10th
40th
12th
397th
8th
19th
47th
13th
6th
8th
26th
9th
4th
10th
6th
7th
13th
𝑒
12th
6th
9th
5th
47th
41st
31st
28th
10th
21st
17th
10th
19th
16th
33rd
20th
29th
9th
39th
85th
65th
6th
28th
26th
9th
6th
17th
31st
41st
39th
11th
301st
18th
15th
75th
14th
6th
6th
7th
9th
5th
8th
6th
9th
20th