12 Days of Christmas
8th
8th
4th
119th
79th
2nd
7th
25th
3rd
11th
45th
3rd
6th
762nd
7th
11th
7th
10th
10th
9th
24 Game
2nd
6th
2nd
6th
9th
5th
3rd
2nd
14th
5th
3rd
2nd
2nd
5th
22nd
7th
2nd
5th
2nd
7th
43rd
9th
3rd
4th
3rd
4th
2nd
3rd
99 Bottles of Beer
10th
6th
5th
9th
61st
111th
30th
💎
5th
21st
13th
6th
7th
76th
137th
3rd
6th
20th
140th
6th
10th
33rd
6th
7th
10th
8th
Abundant Numbers
5th
14th
11th
12th
31st
36th
27th
5th
4th
9th
23rd
17th
4th
13th
40th
25th
6th
9th
12th
173rd
33rd
11th
17th
12th
9th
28th
38th
40th
10th
16th
22nd
7th
14th
10th
14th
Abundant Numbers (Long)
7th
13th
10th
5th
25th
23rd
24th
5th
6th
9th
17th
13th
12th
23rd
20th
4th
10th
3rd
84th
24th
10th
12th
11th
9th
22nd
29th
27th
4th
6th
14th
6th
11th
7th
9th
Arabic to Roman
5th
56th
30th
5th
17th
13th
15th
57th
10th
98th
7th
13th
Arithmetic Numbers
7th
7th
5th
2nd
17th
20th
13th
1st
5th
8th
9th
11th
9th
16th
3rd
5th
10th
48th
9th
6th
8th
12th
21st
13th
3rd
5th
4th
10th
5th
4th
Arrows
3rd
💎
17th
6th
10th
66th
Ascending Primes
6th
8th
6th
29th
15th
17th
5th
2nd
14th
7th
7th
11th
3rd
3rd
13th
8th
10th
2nd
7th
8th
9th
27th
24th
8th
💎
4th
2nd
6th
3rd
6th
ASCII Table
7th
10th
11th
10th
89th
48th
31st
5th
10th
28th
11th
7th
8th
8th
24th
19th
17th
5th
9th
34th
70th
15th
13th
7th
17th
9th
15th
23rd
27th
11th
216th
9th
40th
29th
14th
7th
6th
5th
8th
brainfuck
8th
4th
8th
6th
48th
Catalan Numbers
18th
3rd
8th
14th
29th
16th
9th
2nd
34th
16th
22nd
5th
3rd
27th
28th
10th
5th
5th
295th
50th
5th
5th
5th
6th
3rd
2nd
Catalan’s Constant
5th
2nd
7th
6th
14th
5th
💎
2nd
20th
8th
6th
6th
4th
10th
4th
2nd
4th
36th
41st
4th
3rd
9th
2nd
7th
9th
89th
9th
17th
2nd
5th
4th
7th
4th
4th
3rd
💎
Christmas Trees
8th
7th
27th
31st
41st
15th
2nd
12th
16th
12th
5th
14th
5th
17th
86th
17th
15th
10th
51st
27th
9th
7th
19th
3rd
10th
7th
12th
Collatz
16th
16th
15th
7th
44th
3rd
23rd
4th
7th
12th
18th
36th
29th
5th
17th
3rd
143rd
30th
12th
18th
26th
19th
53rd
6th
5th
8th
11th
5th
21st
CSS Colors
3rd
5th
2nd
3rd
4th
22nd
5th
3rd
💎
80th
7th
8th
7th
16th
111th
5th
6th
9th
Cubes
4th
6th
8th
27th
36th
10th
💎
7th
3rd
18th
11th
2nd
41st
8th
7th
4th
4th
5th
5th
Day of Week
5th
3rd
17th
13th
3rd
10th
15th
8th
17th
27th
11th
12th
DFA Simulator
6th
Diamonds
6th
10th
10th
9th
8th
13th
60th
46th
30th
💎
5th
25th
33rd
9th
13th
19th
3rd
4th
32nd
81st
17th
7th
23rd
26th
39th
177th
62nd
7th
7th
2nd
8th
7th
5th
Divisors
24th
16th
46th
13th
13th
16th
41st
71st
30th
10th
10th
37th
25th
15th
16th
9th
29th
23rd
7th
10th
12th
75th
32nd
20th
1st
17th
10th
71st
316th
93rd
6th
12th
42nd
7th
19th
11th
16th
Emirp Numbers
4th
7th
6th
9th
22nd
6th
6th
1st
10th
10th
15th
15th
7th
5th
16th
6th
4th
6th
10th
58th
20th
8th
3rd
7th
4th
3rd
4th
7th
Emirp Numbers (Long)
4th
7th
5th
39th
26th
24th
8th
5th
6th
11th
11th
16th
3rd
6th
20th
12th
5th
14th
16th
22nd
32nd
4th
5th
3rd
6th
2nd
7th
Emojify
7th
3rd
8th
3rd
39th
💎
4th
10th
10th
5th
7th
7th
3rd
💎
122nd
13th
5th
7th
12th
51st
22nd
10th
9th
Evil Numbers
6th
11th
21st
11th
12th
8th
52nd
31st
26th
4th
1st
27th
20th
15th
15th
15th
45th
29th
9th
10th
21st
65th
24th
19th
21st
17th
11th
24th
98th
58th
17th
1st
8th
28th
5th
13th
9th
15th
Evil Numbers (Long)
9th
14th
12th
10th
11th
3rd
57th
47th
25th
5th
7th
25th
16th
11th
16th
15th
25th
26th
4th
11th
13th
95th
18th
13th
15th
10th
11th
30th
29th
31st
13th
7th
7th
17th
5th
9th
7th
11th
Factorial Factorisation
3rd
5th
5th
3rd
5th
4th
21st
11th
11th
4th
1st
17th
8th
9th
6th
6th
3rd
3rd
26th
8th
8th
7th
3rd
9th
60th
23rd
8th
6th
4th
2nd
5th
2nd
4th
Farey Sequence
4th
14th
5th
39th
22nd
25th
4th
4th
24th
10th
15th
2nd
7th
15th
47th
9th
6th
17th
15th
69th
21st
3rd
5th
3rd
8th
3rd
7th
Fibonacci
73rd
33rd
102nd
19th
27th
12th
129th
96th
72nd
7th
9th
33rd
33rd
30th
110th
55th
21st
13th
83rd
517th
16th
41st
83rd
65th
156th
148th
129th
97th
6th
50th
89th
18th
48th
31st
34th
Fizz Buzz
111th
27th
126th
25th
18th
47th
31st
164th
63rd
6th
11th
40th
15th
54th
71st
25th
130th
1st
68th
91st
72nd
128th
337th
28th
3rd
11th
73rd
140th
10th
44th
35th
26th
Foo Fizz Buzz Bar
10th
15th
25th
13th
7th
4th
40th
94th
27th
2nd
11th
16th
21st
4th
12th
84th
182nd
28th
9th
15th
63rd
41st
7th
14th
15th
5th
13th
9th
15th
Forsyth–Edwards Notation
5th
3rd
💎
14th
10th
10th
48th
13th
Fractions
3rd
6th
8th
10th
12th
51st
Game of Life
11th
Gijswijt’s Sequence
5th
4th
9th
2nd
15th
14th
11th
2nd
3rd
20th
6th
12th
7th
3rd
6th
8th
31st
8th
3rd
6th
9th
78th
16th
8th
8th
5th
5th
4th
9th
3rd
9th
Happy Numbers
3rd
17th
13th
8th
18th
23rd
7th
5th
1st
8th
16th
19th
5th
9th
17th
14th
4th
15th
19th
31st
91st
35th
22nd
12th
8th
8th
8th
5th
9th
Happy Numbers (Long)
4th
13th
7th
56th
32nd
23rd
3rd
5th
23rd
18th
26th
6th
10th
22nd
15th
11th
20th
16th
98th
45th
5th
5th
4th
7th
6th
14th
Hexdump
4th
Intersection
2nd
2nd
15th
7th
Inventory Sequence
7th
9th
10th
33rd
23rd
25th
6th
4th
25th
15th
13th
3rd
7th
18th
12th
6th
12th
16th
155th
26th
4th
4th
4th
7th
3rd
8th
ISBN
4th
2nd
6th
9th
20th
39th
Jacobi Symbol
10th
Kolakoski Constant
6th
2nd
10th
12th
12th
10th
💎
2nd
22nd
9th
5th
7th
7th
13th
4th
2nd
9th
36th
11th
6th
5th
10th
4th
10th
7th
94th
9th
4th
26th
1st
5th
5th
7th
6th
4th
3rd
4th
Kolakoski Sequence
13th
7th
14th
11th
45th
25th
26th
5th
5th
28th
18th
21st
4th
5th
28th
96th
18th
7th
15th
18th
244th
5th
45th
13th
5th
4th
10th
7th
13th
Leap Years
21st
10th
10th
5th
32nd
31st
20th
8th
15th
21st
23rd
17th
12th
12th
21st
23rd
6th
10th
44th
128th
25th
13th
23rd
13th
69th
132nd
38th
27th
9th
27th
16th
9th
11th
13th
11th
22nd
Levenshtein Distance
2nd
26th
14th
12th
56th
Leyland Numbers
5th
7th
4th
25th
32nd
19th
6th
3rd
32nd
10th
13th
5th
9th
19th
19th
6th
18th
18th
295th
42nd
4th
11th
4th
7th
5th
10th
ln 2
7th
3rd
6th
14th
14th
12th
3rd
3rd
23rd
9th
6th
7th
4th
8th
11th
3rd
2nd
14th
35th
27th
4th
6th
22nd
4th
8th
9th
59th
9th
4th
17th
3rd
4th
4th
5th
3rd
4th
3rd
2nd
Look and Say
6th
7th
7th
27th
35th
22nd
8th
4th
25th
20th
17th
4th
5th
25th
15th
8th
8th
27th
303rd
54th
9th
5th
4th
9th
7th
8th
Lucky Numbers
4th
8th
8th
30th
21st
14th
2nd
5th
27th
11th
30th
4th
5th
14th
11th
8th
9th
10th
177th
22nd
6th
5th
5th
6th
4th
5th
Lucky Tickets
5th
6th
3rd
22nd
11th
4th
110th
7th
Maze
2nd
16th
8th
9th
5th
45th
Medal Tally
3rd
22nd
7th
46th
Morse Decoder
2nd
15th
4th
51st
7th
Morse Encoder
5th
3rd
17th
3rd
2nd
11th
5th
98th
8th
Musical Chords
8th
N Queens
💎
3rd
2nd
9th
10th
4th
💎
💎
8th
6th
2nd
3rd
2nd
💎
4th
4th
1st
4th
3rd
3rd
12th
11th
💎
3rd
1st
💎
💎
2nd
Niven Numbers
12th
18th
35th
15th
14th
11th
36th
29th
29th
8th
1st
24th
21st
17th
21st
12th
32nd
7th
16th
24th
1st
24th
12th
38th
41st
66th
50th
23rd
22nd
10th
15th
6th
18th
11th
18th
Niven Numbers (Long)
8th
13th
12th
10th
10th
2nd
34th
31st
24th
4th
7th
20th
15th
10th
15th
12th
19th
3rd
14th
17th
19th
10th
22nd
27th
32nd
1st
6th
5th
11th
7th
15th
Number Spiral
3rd
6th
7th
8th
8th
3rd
30th
22nd
10th
3rd
10th
18th
7th
12th
9th
6th
10th
5th
4th
9th
7th
5th
7th
9th
9th
81st
24th
4th
4th
4th
3rd
3rd
4th
Odious Numbers
5th
12th
20th
11th
9th
9th
47th
26th
23rd
2nd
1st
28th
19th
15th
15th
7th
15th
42nd
30th
9th
10th
22nd
61st
26th
19th
21st
12th
11th
23rd
114th
47th
17th
1st
8th
27th
6th
13th
8th
14th
Odious Numbers (Long)
7th
16th
12th
9th
11th
3rd
45th
41st
21st
5th
7th
26th
16th
12th
16th
15th
23rd
26th
4th
11th
12th
76th
20th
14th
16th
9th
10th
28th
76th
29th
11th
7th
7th
17th
5th
9th
6th
11th
Ordinal Numbers
13th
8th
8th
5th
60th
48th
23rd
3rd
6th
22nd
15th
10th
7th
175th
16th
30th
9th
59th
48th
17th
14th
Pangram Grep
15th
7th
5th
57th
57th
29th
7th
6th
16th
23rd
17th
7th
42nd
16th
13th
32nd
40th
60th
13th
12th
Pascal’s Triangle
7th
15th
18th
12th
12th
8th
98th
52nd
38th
4th
5th
28th
14th
11th
11th
33rd
7th
9th
36th
24th
13th
28th
66th
40th
36th
216th
79th
6th
7th
7th
11th
8th
11th
Pernicious Numbers
5th
17th
21st
14th
16th
12th
30th
23rd
22nd
6th
1st
12th
18th
15th
1st
13th
1st
22nd
5th
5th
1st
36th
17th
15th
1st
1st
22nd
1st
17th
1st
3rd
11th
12th
5th
1st
7th
1st
Pernicious Numbers (Long)
6th
10th
8th
8th
7th
4th
22nd
18th
13th
4th
7th
21st
11th
8th
7th
13th
15th
12th
3rd
11th
17th
33rd
13th
10th
8th
7th
12th
44th
20th
12th
4th
6th
12th
5th
8th
4th
4th
Poker
8th
4th
Prime Numbers
10th
13th
12th
10th
95th
56th
3rd
2nd
1st
32nd
14th
11th
15th
5th
20th
41st
34th
9th
12th
43rd
132nd
26th
10th
24th
8th
64th
289th
85th
69th
1st
6th
35th
6th
5th
10th
16th
Prime Numbers (Long)
15th
12th
12th
3rd
60th
35th
33rd
8th
8th
28th
18th
12th
13th
19th
23rd
23rd
6th
10th
29th
63rd
20th
8th
17th
15th
27th
130th
41st
39th
5th
11th
18th
6th
12th
8th
19th
Proximity Grid
8th
7th
QR Decoder
2nd
8th
Quine
1st
1st
82nd
7th
24th
63rd
52nd
Recamán
12th
9th
6th
49th
35th
31st
5th
4th
28th
16th
18th
6th
6th
27th
19th
12th
10th
20th
18th
24th
316th
40th
7th
5th
4th
9th
6th
10th
Repeating Decimals
8th
Reverse Polish Notation
2nd
5th
15th
12th
66th
Rijndael S-box
4th
2nd
5th
8th
5th
3rd
35th
12th
1st
3rd
14th
11th
5th
6th
2nd
3rd
2nd
4th
7th
6th
53rd
15th
2nd
3rd
3rd
3rd
1st
3rd
Rock-paper-scissors-Spock-lizard
3rd
3rd
3rd
2nd
22nd
2nd
9th
9th
233rd
10th
Roman to Arabic
5th
14th
15th
8th
Rule 110
2nd
8th
5th
47th
21st
2nd
25th
5th
5th
14th
19th
223rd
10th
5th
4th
6th
7th
6th
Seven Segment
5th
2nd
8th
4th
11th
12th
43rd
8th
SI Units
2nd
5th
3rd
Sierpiński Triangle
5th
5th
57th
22nd
6th
5th
30th
5th
7th
18th
21st
220th
8th
9th
4th
9th
6th
11th
Smith Numbers
5th
8th
7th
29th
24th
18th
4th
3rd
22nd
10th
12th
5th
4th
20th
13th
5th
7th
12th
9th
182nd
35th
4th
4th
4th
5th
4th
8th
Spelling Numbers
2nd
2nd
9th
62nd
6th
4th
Star Wars Opening Crawl
4th
2nd
7th
3rd
Sudoku
8th
Ten-pin Bowling
10th
35th
Time Distance
💎
8th
Tongue-twisters
3rd
6th
6th
8th
6th
6th
10th
36th
4th
💎
6th
9th
17th
11th
7th
5th
5th
9th
5th
12th
19th
8th
17th
3rd
11th
3rd
32nd
33rd
5th
15th
7th
5th
11th
16th
14th
15th
20th
38th
7th
36th
8th
6th
8th
14th
11th
7th
9th
9th
4th
3rd
3rd
6th
3rd
9th
United States
13th
2nd
5th
4th
31st
15th
3rd
4th
16th
5th
4th
2nd
102nd
11th
7th
9th
10th
61st
3rd
8th
15th
Vampire Numbers
1st
8th
3rd
5th
12th
10th
7th
3rd
2nd
21st
10th
12th
5th
4th
8th
10th
3rd
9th
6th
146th
33rd
4th
5th
4th
3rd
2nd
4th
Van Eck Sequence
7th
9th
8th
3rd
47th
34th
27th
5th
4th
25th
11th
16th
4th
5th
20th
15th
8th
12th
17th
247th
35th
5th
6th
3rd
7th
6th
11th
Zodiac Signs
3rd
2nd
21st
8th
91st
7th
γ
2nd
4th
3rd
2nd
7th
7th
10th
5th
💎
💎
11th
8th
4th
5th
5th
5th
4th
4th
4th
4th
3rd
💎
3rd
22nd
42nd
4th
2nd
4th
💎
6th
5th
40th
8th
5th
3rd
11th
2nd
4th
3rd
3rd
5th
2nd
2nd
2nd
λ
6th
5th
2nd
13th
11th
9th
7th
💎
3rd
12th
9th
6th
5th
5th
5th
4th
5th
13th
3rd
💎
6th
58th
11th
3rd
6th
8th
4th
11th
7th
51st
10th
3rd
22nd
6th
9th
10th
4th
4th
4th
4th
4th
π
9th
7th
4th
13th
38th
26th
16th
3rd
4th
29th
11th
10th
8th
8th
7th
5th
14th
27th
5th
3rd
16th
145th
55th
13th
8th
36th
8th
25th
10th
287th
25th
4th
70th
5th
8th
11th
7th
5th
4th
5th
2nd
τ
8th
5th
3rd
12th
21st
19th
13th
3rd
4th
25th
10th
8th
8th
8th
7th
5th
13th
18th
4th
3rd
14th
73rd
37th
12th
6th
30th
6th
14th
9th
181st
15th
4th
48th
4th
8th
7th
7th
4th
4th
5th
2nd
φ
10th
4th
3rd
13th
18th
19th
11th
1st
2nd
23rd
12th
9th
11th
9th
7th
5th
24th
26th
4th
3rd
14th
60th
46th
19th
10th
29th
8th
14th
11th
94th
18th
5th
52nd
4th
8th
7th
8th
4th
5th
4th
2nd
√2
14th
5th
3rd
13th
17th
25th
14th
1st
2nd
26th
12th
10th
10th
8th
8th
5th
31st
25th
4th
3rd
1st
66th
40th
11th
6th
29th
5th
14th
11th
114th
16th
5th
46th
5th
8th
8th
8th
4th
6th
5th
4th
𝑒
9th
11th
5th
6th
14th
37th
29th
22nd
6th
4th
32nd
9th
12th
8th
9th
9th
5th
18th
27th
6th
3rd
16th
67th
51st
12th
8th
29th
10th
15th
9th
286th
18th
26th
5th
57th
9th
8th
6th
8th
5th
4th
5th
6th