12 Days of Christmas
10th15th44th21st22nd13th
17th6th
9th
12th10th28th8th
9th28th40th
9th6th9th6th
17th
81st
53rd
8th
25th11th
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
11th1st
22nd
15th
Arithmetic Numbers
23rd
85th
20th
Arrows
17th
44th
Ascending Primes
8th
10th28th
2nd
7th
40th
16th
1st
ASCII Table
8th
18th
44th
1st
9th
1st
33rd
brainfuck
20th
19th
54th
Catalan Numbers
24th
8th
1st
Catalan’s Constant
14th
18th
1st
5th
80th
Christmas Trees
29th
20th
50th
9th
82nd
26th
Collatz
27th
4th
101st
CSS Colors
21st
1st5th
28th
60th
Cubes
13th
9th
69th
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
110th
14th
31st
Emojify
15th
4th
37th
Evil Numbers
5th
62nd
1st
12th
1st
23rd
13th
Evil Numbers (Long)
17th
33rd
1st
15th
32nd
11th
Factorial Factorisation
9th
10th
13th
20th
21st
Farey Sequence
13th
18th
14th
Fibonacci
30th
9th
27th8th125th51st
3rd
30th
1st36th
25th
1st1st32nd
1st
40th27th27th
1st
29th
7th59th
31st
1st
Fizz Buzz
54th
1st
1st
1st
9th
9th
1st
79th
Foo Fizz Buzz Bar
26th
12th
1st
Forsyth–Edwards Notation
18th
33rd
Fractions
26th
14th
54th
1st
Game of Life
20th
6th
63rd
Gijswijt’s Sequence
15th
42nd
Happy Numbers
8th
60th
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
65th
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
65th
Levenshtein Distance
36th
1st
1st
20th13th
21st
Leyland Numbers
4th
8th
6th
ln 2
1st
1st
1st
Look and Say
15th
99th
9th
14th
20th
Lucky Numbers
14th
58th
7th
7th
20th
Lucky Tickets
19th
40th
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
17th
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
29th
1st
13th
1st
11th
Ordinal Numbers
13th
4th
1st
Pangram Grep
20th
26th46th
41st
213th
11th
40th
32nd
17th
98th
33rd
Pascal’s Triangle
28th
11th
1st
13th43rd
1st
17th
Pernicious Numbers
38th
1st
14th
171st
46th
Pernicious Numbers (Long)
28th
1st
10th
78th
17th
Poker
7th
13th
Prime Numbers
11th
40th27th
17th
1st
12th
1st
27th
7th
Prime Numbers (Long)
19th
18th
1st
13th
42nd
Proximity Grid
22nd
72nd
QR Decoder
15th
37th
Quine
1st19th23rd1st18th9th2nd97th133rd71st20th12th2nd1st22nd27th4th1st12th26th1st
1st
74th3rd4th9th72nd181st62nd
1st21st1st1st1st56th
37th1st4th76th
1st100th
5th1st8th12th6th25th
24th24th
Recamán
13th
8th
4th
Repeating Decimals
1st
Reverse Polish Notation
23rd
1st
60th
89th
Rijndael S-box
35th
13th
7th
4th
24th
2nd
Rock-paper-scissors-Spock-lizard
16th
16th
112th
75th
Roman to Arabic
22nd
7th
31st
13th
Rule 110
12th25th
11th
9th
20th
36th
Seven Segment
16th
30th
17th
SI Units
6th
14th
Sierpiński Triangle
10th30th
13th
18th
8th
38th
12th
Smith Numbers
9th
14th
8th
31st
Spelling Numbers
28th1st
132nd
Star Wars Opening Crawl
18th
40th
17th
Sudoku
8th
13th
Sudoku (Fill-in)
15th
45th
Ten-pin Bowling
17th
42nd
Time Distance
14th
19th
Tongue-twisters
12th
12th
28th
6th
15th
15th
4th
10th
United States
11th
11th1st
Vampire Numbers
6th
5th
17th
Van Eck Sequence
6th
8th
12th
57th
8th
1st
6th
Zodiac Signs
22nd
80th
γ
12th
1st
6th
4th
λ
21st
9th
10th32nd
47th4th
6th
20th
3rd
5th
π
24th
9th
1st
6th
4th24th
12th
20th
6th
τ
20th
15th
45th
6th
4th
37th
5th
φ
14th
31st
1st
6th
1st
157th
5th
√2
25th
1st
6th
1st
1st
5th
𝑒
24th
1st
1st
5th
26th
1st31st15th
6th