12 Days of Christmas
10th15th44th20th22nd13th
17th6th
9th
12th10th28th8th
9th28th40th
9th6th9th6th
17th
80th
53rd
8th
24th11th
14th
24 Game
8th
7th
8th
6th
7th
99 Bottles of Beer
23rd
53rd
18th
9th
33rd
5th
10th
74th
17th
Abundant Numbers
16th
20th
14th
26th
8th
Abundant Numbers (Long)
20th
19th
12th
26th
Arabic to Roman
10th1st
22nd
15th
Arithmetic Numbers
22nd
84th
19th
Arrows
17th
44th
Ascending Primes
8th
10th28th
2nd
6th
38th
15th
1st
ASCII Table
8th
18th
44th
1st
9th
1st
33rd
brainfuck
20th
19th
54th
Catalan Numbers
23rd
7th
1st
Catalan’s Constant
14th
18th
1st
5th
79th
Christmas Trees
29th
19th
50th
9th
82nd
26th
Collatz
26th
4th
98th
CSS Colors
21st
1st5th
28th
60th
Cubes
13th
9th
68th
4th
18th
6th
Day of Week
29th
1st
68th
DFA Simulator
18th
34th
Diamonds
21st
7th
60th
29th
7th
15th
92nd
Divisors
11th
25th
32nd
17th
1st
33rd
Emirp Numbers
11th
6th
15th
32nd
Emirp Numbers (Long)
27th
7th
109th
14th
31st
Emojify
15th
4th
37th
Evil Numbers
5th
62nd
1st
12th
1st
23rd
12th
Evil Numbers (Long)
17th
32nd
1st
15th
32nd
11th
Factorial Factorisation
9th
10th
13th
20th
20th
Farey Sequence
13th
18th
14th
Fibonacci
30th
9th
27th8th125th51st
3rd
30th
1st35th
25th
1st1st32nd
1st
39th27th27th
1st
28th
7th59th
31st
1st
Fizz Buzz
54th
1st
1st
1st
9th
8th
1st
78th
Foo Fizz Buzz Bar
25th
12th
1st
Forsyth–Edwards Notation
17th
33rd
Fractions
26th
14th
53rd
1st
Game of Life
20th
6th
63rd
Gijswijt’s Sequence
15th
42nd
Happy Numbers
8th
59th
9th
1st
9th
Happy Numbers (Long)
15th
8th
16th
Hexdump
13th
6th
1st
Intersection
23rd
22nd
53rd
6th
Inventory Sequence
9th
19th
8th
39th
ISBN
9th
30th
17th
Jacobi Symbol
19th
1st
64th
Kolakoski Constant
14th
13th
5th
36th
3rd
7th
Kolakoski Sequence
23rd
19th
7th
68th
48th
Leap Years
5th
12th
5th
1st
19th
5th
74th
12th
63rd
Levenshtein Distance
36th
1st
1st
20th13th
20th
Leyland Numbers
4th
8th
6th
ln 2
1st
1st
1st
Look and Say
14th
96th
9th
14th
20th
Lucky Numbers
14th
57th
7th
7th
20th
Lucky Tickets
19th
39th
Mahjong
Maze
18th
53rd
Medal Tally
8th
7th
Morse Decoder
20th
62nd
Morse Encoder
2nd
2nd
Musical Chords
12th16th
15th
6th
39th
Niven Numbers
20th
1st
39th
16th
1st
Niven Numbers (Long)
16th
34th
12th
34th
Number Spiral
13th9th
14th
18th
17th
5th
35th
5th
Odious Numbers
4th
51st
1st
12th
1st
19th
Odious Numbers (Long)
5th
28th
1st
13th
1st
11th
Ordinal Numbers
13th
4th
1st
Pangram Grep
20th
26th46th
41st
211th
11th
40th
31st
17th
97th
32nd
Pascal’s Triangle
28th
11th
1st
13th43rd
1st
17th
Pernicious Numbers
38th
1st
14th
170th
45th
Pernicious Numbers (Long)
28th
1st
10th
78th
17th
Poker
7th
13th
Prime Numbers
11th
40th27th
17th
1st
12th
1st
26th
7th
Prime Numbers (Long)
18th
18th
1st
13th
42nd
Proximity Grid
22nd
71st
QR Decoder
15th
36th
Quine
1st18th23rd1st17th9th2nd97th132nd71st20th12th2nd1st21st27th4th1st12th26th1st
1st
74th3rd2nd9th72nd180th62nd
1st20th1st1st1st56th
37th1st4th75th
1st99th
5th1st8th12th6th24th
23rd24th
Recamán
13th
8th
4th
Repeating Decimals
1st
Reverse Polish Notation
22nd
1st
60th
87th
Rijndael S-box
34th
13th
7th
4th
24th
2nd
Rock-paper-scissors-Spock-lizard
16th
16th
111th
74th
Roman to Arabic
22nd
7th
31st
13th
Rule 110
11th25th
11th
9th
20th
36th
Seven Segment
16th
30th
17th
SI Units
6th
14th
Sierpiński Triangle
10th30th
13th
18th
8th
37th
12th
Smith Numbers
9th
14th
8th
31st
Spelling Numbers
28th1st
131st
Star Wars Opening Crawl
18th
40th
17th
Sudoku
8th
13th
Sudoku (Fill-in)
15th
43rd
Ten-pin Bowling
17th
42nd
Time Distance
14th
19th
Tongue-twisters
12th
12th
28th
5th
15th
15th
4th
10th
United States
11th
11th1st
Vampire Numbers
6th
5th
17th
Van Eck Sequence
6th
8th
12th
56th
8th
1st
6th
Zodiac Signs
22nd
80th
γ
12th
1st
6th
4th
λ
21st
9th
10th32nd
46th4th
6th
20th
3rd
5th
π
24th
9th
1st
6th
4th24th
11th
20th
6th
τ
20th
15th
45th
6th
4th
36th
5th
φ
14th
31st
1st
6th
1st
155th
5th
√2
25th
1st
6th
1st
1st
5th
𝑒
24th
1st
1st
5th
25th
1st31st15th
6th