12 Days of Christmas
8th
10th
10th
4th
120th
79th
5th
7th
23rd
3rd
11th
44th
19th
31st
752nd
7th
11th
7th
10th
24 Game
2nd
3rd
4th
💎
8th
6th
3rd
2nd
14th
3rd
3rd
2nd
7th
20th
9th
1st
4th
2nd
6th
42nd
2nd
4th
3rd
3rd
2nd
3rd
99 Bottles of Beer
10th
6th
6th
6th
8th
60th
109th
28th
3rd
5th
25th
13th
6th
7th
75th
357th
13th
16th
18th
702nd
6th
10th
33rd
6th
10th
Abundant Numbers
10th
10th
13th
11th
12th
38th
33rd
27th
6th
4th
22nd
25th
19th
11th
13th
40th
25th
5th
9th
8th
172nd
31st
14th
17th
12th
28th
198th
70th
9th
16th
21st
7th
16th
10th
14th
Abundant Numbers (Long)
7th
6th
12th
10th
5th
25th
22nd
24th
7th
6th
25th
17th
17th
12th
23rd
20th
4th
10th
15th
83rd
22nd
10th
12th
11th
21st
122nd
34th
4th
6th
14th
6th
11th
7th
9th
Arabic to Roman
5th
54th
28th
7th
22nd
13th
15th
55th
15th
284th
7th
13th
Arithmetic Numbers
8th
6th
6th
4th
2nd
23rd
20th
13th
4th
5th
23rd
10th
11th
8th
16th
3rd
5th
9th
47th
12th
6th
8th
12th
74th
18th
2nd
5th
4th
10th
5th
4th
Arrows
3rd
3rd
21st
6th
9th
124th
Ascending Primes
5th
4th
8th
5th
30th
19th
7th
2nd
19th
6th
12th
3rd
4th
12th
10th
10th
3rd
6th
7th
7th
53rd
7th
💎
4th
2nd
6th
2nd
6th
ASCII Table
7th
9th
10th
11th
10th
87th
48th
38th
6th
10th
29th
14th
10th
9th
8th
24th
19th
17th
5th
9th
34th
93rd
15th
12th
11th
17th
9th
15th
23rd
24th
11th
249th
9th
47th
29th
14th
7th
6th
4th
brainfuck
21st
4th
10th
24th
108th
Catalan Numbers
18th
4th
4th
8th
15th
10th
9th
3rd
33rd
22nd
5th
3rd
29th
27th
10th
5th
7th
292nd
5th
5th
5th
6th
3rd
3rd
Catalan’s Constant
4th
3rd
4th
7th
10th
15th
8th
2nd
6th
19th
7th
6th
6th
5th
10th
4th
4th
11th
34th
40th
5th
3rd
9th
8th
7th
9th
94th
11th
17th
7th
4th
4th
7th
4th
5th
3rd
4th
Christmas Trees
9th
6th
27th
5th
24th
3rd
14th
17th
15th
331st
9th
7th
3rd
7th
Collatz
15th
10th
16th
15th
7th
45th
3rd
23rd
6th
7th
33rd
35th
29th
5th
16th
3rd
142nd
34th
11th
26th
26th
421st
7th
5th
8th
11th
5th
20th
CSS Colors
4th
5th
2nd
4th
4th
21st
5th
3rd
💎
129th
11th
8th
8th
16th
156th
5th
6th
9th
Cubes
4th
5th
8th
2nd
20th
4th
16th
10th
5th
275th
8th
6th
4th
4th
5th
Day of Week
6th
3rd
17th
13th
3rd
26th
15th
7th
17th
85th
11th
12th
DFA Simulator
6th
Diamonds
7th
5th
10th
8th
13th
60th
47th
30th
4th
8th
28th
33rd
19th
3rd
6th
32nd
104th
17th
7th
25th
27th
36th
368th
62nd
6th
6th
2nd
8th
7th
5th
Divisors
24th
7th
17th
13th
16th
100th
71st
41st
9th
10th
42nd
28th
21st
9th
28th
23rd
7th
10th
12th
168th
31st
19th
1st
16th
71st
751st
92nd
8th
12th
42nd
7th
19th
11th
16th
Emirp Numbers
9th
6th
8th
6th
52nd
39th
19th
6th
1st
21st
15th
17th
5th
6th
16th
16th
5th
12th
35th
106th
1st
7th
4th
5th
4th
7th
Emirp Numbers (Long)
5th
5th
7th
5th
38th
25th
8th
5th
25th
11th
16th
3rd
6th
19th
13th
5th
14th
17th
148th
4th
5th
3rd
6th
2nd
7th
Emojify
6th
3rd
2nd
💎
4th
14th
7th
3rd
💎
119th
13th
5th
9th
11th
89th
10th
9th
Evil Numbers
6th
16th
11th
36th
15th
12th
8th
51st
31st
31st
5th
1st
27th
25th
15th
16th
45th
29th
8th
10th
20th
245th
24th
19th
25th
17th
24th
97th
87th
16th
1st
8th
28th
5th
13th
9th
15th
Evil Numbers (Long)
9th
9th
14th
11th
2nd
55th
45th
23rd
5th
7th
25th
19th
16th
16th
25th
26th
4th
11th
15th
94th
18th
13th
16th
10th
30th
29th
38th
13th
7th
7th
17th
5th
9th
7th
11th
Farey Sequence
4th
3rd
14th
4th
37th
24th
6th
4th
28th
14th
2nd
7th
16th
46th
11th
6th
16th
14th
94th
3rd
5th
3rd
8th
3rd
7th
Fibonacci
72nd
26th
45th
31st
11th
223rd
207th
115th
10th
9th
38th
133rd
55th
23rd
33rd
199th
514th
37th
56th
136th
63rd
154th
145th
809th
5th
50th
87th
18th
53rd
31st
35th
Fizz Buzz
111th
29th
38th
18th
47th
30th
161st
62nd
6th
20th
54th
69th
25th
129th
1st
67th
105th
71st
126th
46th
1st
11th
72nd
140th
10th
35th
26th
Foo Fizz Buzz Bar
10th
8th
7th
4th
41st
91st
26th
3rd
30th
21st
5th
12th
84th
203rd
28th
29th
15th
204th
8th
14th
15th
5th
9th
Forsyth–Edwards Notation
5th
3rd
3rd
22nd
9th
11th
112th
13th
Fractions
3rd
6th
26th
10th
12th
125th
Game of Life
12th
Gijswijt’s Sequence
5th
3rd
4th
9th
2nd
15th
11th
3rd
3rd
20th
12th
7th
4th
6th
8th
30th
7th
3rd
6th
9th
91st
8th
5th
5th
4th
9th
3rd
9th
Happy Numbers
9th
9th
18th
13th
8th
63rd
47th
22nd
5th
1st
13th
20th
31st
5th
9th
17th
21st
5th
20th
27th
30th
87th
72nd
22nd
12th
7th
8th
8th
4th
10th
Happy Numbers (Long)
5th
7th
13th
6th
55th
32nd
24th
4th
5th
26th
25th
6th
10th
23rd
18th
11th
20th
19th
212th
5th
5th
4th
7th
6th
15th
Hexdump
6th
Intersection
2nd
5th
14th
13th
Inventory Sequence
6th
4th
9th
9th
33rd
25th
6th
4th
25th
13th
3rd
7th
18th
12th
6th
12th
16th
151st
4th
4th
4th
7th
3rd
8th
ISBN
4th
5th
19th
9th
19th
131st
Jacobi Symbol
10th
Kolakoski Constant
7th
3rd
4th
10th
18th
13th
12th
2nd
7th
21st
8th
5th
7th
8th
13th
4th
2nd
15th
35th
11th
5th
5th
10th
9th
10th
7th
94th
12th
2nd
26th
7th
5th
5th
7th
6th
5th
3rd
4th
Kolakoski Sequence
13th
8th
7th
14th
11th
44th
25th
25th
5th
5th
27th
21st
5th
5th
27th
95th
16th
7th
16th
18th
242nd
4th
13th
5th
4th
10th
7th
13th
Leap Years
21st
9th
10th
10th
5th
42nd
31st
20th
8th
15th
23rd
23rd
17th
16th
12th
18th
23rd
6th
10th
42nd
128th
24th
13th
38th
13th
68th
166th
38th
26th
9th
27th
16th
9th
11th
13th
11th
23rd
Levenshtein Distance
13th
12th
Leyland Numbers
5th
5th
8th
4th
25th
19th
7th
3rd
31st
13th
4th
9th
23rd
19th
6th
18th
19th
291st
4th
4th
7th
5th
10th
ln 2
6th
3rd
4th
6th
14th
15th
12th
2nd
5th
23rd
8th
6th
7th
4th
7th
11th
3rd
2nd
16th
34th
27th
3rd
5th
22nd
6th
8th
9th
86th
9th
3rd
17th
5th
3rd
4th
5th
3rd
4th
3rd
4th
Look and Say
5th
6th
7th
7th
27th
22nd
8th
4th
25th
17th
3rd
5th
26th
14th
8th
8th
27th
302nd
9th
5th
4th
9th
7th
8th
Lucky Numbers
4th
4th
8th
8th
2nd
5th
27th
30th
4th
5th
14th
11th
8th
9th
11th
173rd
6th
5th
5th
6th
4th
5th
Lucky Tickets
5th
6th
3rd
22nd
11th
6th
110th
7th
Maze
3rd
19th
8th
9th
67th
Medal Tally
4th
22nd
7th
79th
Morse Decoder
2nd
18th
4th
127th
7th
Morse Encoder
4th
2nd
17th
3rd
3rd
11th
6th
178th
8th
Musical Chords
8th
Niven Numbers
12th
12th
18th
14th
11th
47th
29th
28th
12th
1st
24th
21st
21st
12th
32nd
6th
17th
24th
24th
12th
37th
41st
64th
101st
34th
22nd
10th
15th
6th
18th
11th
18th
Niven Numbers (Long)
8th
7th
13th
10th
2nd
36th
31st
24th
8th
7th
25th
15th
15th
12th
19th
3rd
13th
17th
18th
9th
22nd
27th
95th
1st
6th
5th
11th
7th
15th
Number Spiral
4th
4th
7th
9th
3rd
38th
22nd
15th
4th
10th
22nd
6th
14th
2nd
6th
16th
8th
5th
7th
13th
9th
121st
4th
4th
4th
4th
3rd
7th
Odious Numbers
4th
14th
12th
9th
9th
44th
27th
27th
5th
1st
27th
23rd
15th
7th
16th
42nd
30th
8th
10th
20th
61st
26th
19th
21st
12th
23rd
112th
71st
16th
1st
8th
27th
6th
13th
8th
14th
Odious Numbers (Long)
8th
9th
16th
11th
2nd
42nd
40th
20th
5th
7th
25th
19th
16th
16th
23rd
26th
4th
11th
12th
74th
20th
14th
17th
9th
28th
75th
35th
11th
7th
7th
17th
5th
9th
6th
11th
Ordinal Numbers
5th
24th
5th
28th
178th
15th
30th
9th
239th
17th
14th
Pangram Grep
15th
4th
6th
31st
7th
41st
16th
24th
31st
483rd
13th
12th
Pascal’s Triangle
7th
3rd
12th
8th
98th
37th
5th
5th
32nd
33rd
5th
9th
39th
24th
13th
28th
63rd
42nd
35th
367th
7th
7th
7th
11th
8th
11th
Pernicious Numbers
4th
14th
17th
16th
12th
34th
23rd
22nd
6th
1st
18th
18th
18th
14th
1st
22nd
6th
4th
1st
36th
22nd
15th
1st
1st
21st
47th
17th
1st
2nd
11th
12th
5th
1st
7th
1st
Pernicious Numbers (Long)
6th
7th
10th
7th
3rd
21st
18th
12th
4th
7th
22nd
12th
8th
14th
15th
12th
3rd
11th
15th
31st
15th
10th
8th
7th
10th
62nd
23rd
11th
4th
6th
12th
5th
8th
4th
4th
Poker
4th
8th
6th
Prime Numbers
8th
9th
13th
12th
10th
97th
54th
40th
6th
1st
31st
19th
3rd
20th
41st
34th
8th
11th
42nd
129th
32nd
10th
23rd
1st
63rd
280th
1st
5th
35th
6th
1st
9th
16th
Prime Numbers (Long)
14th
7th
12th
12th
2nd
59th
34th
31st
8th
8th
28th
17th
20th
23rd
23rd
6th
9th
28th
62nd
26th
8th
19th
14th
25th
225th
5th
11th
17th
6th
12th
7th
19th
Proximity Grid
9th
7th
QR Decoder
2nd
8th
Quine
1st
1st
7th
23rd
63rd
51st
Recamán
12th
5th
9th
6th
49th
31st
5th
4th
28th
18th
5th
6th
26th
18th
12th
10th
20th
19th
24th
324th
8th
5th
4th
9th
6th
10th
Repeating Decimals
8th
Reverse Polish Notation
2nd
23rd
12th
174th
Rijndael S-box
6th
12th
3rd
2nd
3rd
14th
11th
6th
2nd
3rd
3rd
7th
7th
6th
58th
16th
2nd
3rd
3rd
1st
4th
Rock-paper-scissors-Spock-lizard
3rd
3rd
3rd
3rd
22nd
2nd
7th
9th
245th
10th
Roman to Arabic
5th
13th
14th
8th
Rule 110
2nd
5th
6th
5th
3rd
25th
5th
5th
14th
19th
222nd
10th
5th
3rd
7th
Seven Segment
12th
5th
4th
18th
4th
11th
17th
122nd
8th
SI Units
2nd
5th
3rd
Sierpiński Triangle
6th
6th
4th
6th
5th
29th
4th
7th
18th
21st
244th
7th
7th
3rd
6th
Smith Numbers
7th
6th
8th
7th
32nd
18th
3rd
3rd
21st
12th
5th
4th
20th
13th
5th
7th
13th
9th
181st
4th
4th
4th
5th
4th
8th
Spelling Numbers
2nd
5th
9th
62nd
6th
4th
Star Wars Opening Crawl
4th
2nd
7th
3rd
Sudoku
8th
Ten-pin Bowling
17th
62nd
Time Distance
4th
9th
Tongue-twisters
6th
7th
9th
6th
8th
6th
6th
23rd
35th
13th
2nd
6th
20th
17th
12th
7th
10th
5th
9th
5th
11th
19th
7th
17th
6th
11th
4th
31st
104th
10th
14th
6th
6th
11th
15th
14th
15th
20th
36th
7th
142nd
8th
9th
7th
28th
11th
8th
9th
9th
2nd
3rd
12th
6th
6th
11th
United States
2nd
4th
15th
4th
4th
21st
5th
4th
2nd
122nd
12th
7th
10th
10th
139th
3rd
8th
15th
Vampire Numbers
4th
4th
8th
4th
5th
30th
16th
3rd
2nd
21st
18th
5th
4th
14th
10th
6th
11th
7th
165th
4th
5th
4th
4th
2nd
5th
Van Eck Sequence
6th
6th
9th
8th
3rd
44th
26th
5th
4th
24th
16th
4th
5th
20th
15th
8th
15th
17th
241st
5th
6th
3rd
7th
6th
11th
Zodiac Signs
3rd
2nd
22nd
9th
91st
7th
γ
💎
4th
8th
3rd
4th
7th
22nd
12th
9th
2nd
5th
10th
7th
4th
5th
4th
5th
4th
5th
3rd
4th
3rd
3rd
8th
21st
41st
3rd
2nd
3rd
8th
6th
5th
42nd
8th
7th
3rd
12th
5th
3rd
3rd
3rd
5th
4th
2nd
4th
λ
5th
4th
5th
4th
13th
32nd
20th
11th
3rd
7th
16th
8th
6th
5th
3rd
5th
4th
7th
13th
3rd
4th
9th
59th
13th
5th
4th
7th
15th
10th
7th
74th
11th
3rd
19th
9th
8th
10th
4th
4th
5th
4th
5th
π
7th
4th
7th
4th
13th
48th
55th
17th
3rd
8th
29th
10th
10th
8th
7th
7th
5th
19th
27th
5th
3rd
27th
141st
54th
13th
9th
36th
19th
21st
10th
350th
28th
5th
70th
11th
7th
11th
7th
5th
6th
5th
5th
τ
7th
3rd
5th
4th
12th
23rd
19th
12th
3rd
7th
25th
9th
8th
8th
7th
7th
5th
15th
18th
4th
3rd
21st
71st
37th
11th
6th
30th
14th
12th
9th
193rd
18th
4th
47th
8th
7th
7th
7th
4th
6th
5th
5th
φ
11th
3rd
4th
4th
13th
23rd
20th
12th
1st
8th
26th
12th
8th
11th
7th
7th
5th
23rd
26th
5th
3rd
14th
59th
47th
19th
9th
28th
15th
13th
11th
132nd
21st
5th
51st
9th
7th
7th
7th
4th
7th
4th
4th
√2
14th
3rd
5th
4th
13th
26th
28th
14th
1st
7th
27th
12th
10th
10th
7th
8th
5th
31st
25th
4th
3rd
1st
67th
40th
10th
6th
29th
12th
13th
11th
138th
18th
4th
46th
10th
7th
8th
8th
4th
8th
5th
4th
𝑒
9th
4th
11th
5th
6th
14th
39th
30th
22nd
4th
8th
32nd
8th
12th
8th
8th
9th
5th
19th
27th
6th
4th
22nd
66th
50th
11th
8th
29th
17th
14th
9th
291st
18th
29th
4th
55th
13th
7th
6th
8th
5th
6th
5th
7th