12 Days of Christmas
10th15th47th21st23rd14th
18th6th
9th
13th11th29th9th
9th34th42nd
9th7th9th7th
17th
82nd
57th
8th
25th11th
16th
24 Game
8th
7th
8th
7th
99 Bottles of Beer
23rd
58th
20th
10th
33rd
5th
10th
79th
17th
Abundant Numbers
19th
21st
14th
27th
8th
Abundant Numbers (Long)
24th
20th
12th
28th
Arabic to Roman
11th1st
23rd
15th
Arithmetic Numbers
25th
94th
23rd
Arrows
18th
46th
Ascending Primes
8th
10th30th
2nd
7th
46th
16th
1st
ASCII Table
8th
19th
45th
1st
9th
1st
34th
brainfuck
22nd
19th
55th
Catalan Numbers
26th
8th
1st
Catalan’s Constant
15th
21st
1st
5th
88th
Christmas Trees
29th
20th
50th
9th
84th
26th
Collatz
30th
4th
113th
CSS Colors
22nd
1st5th
29th
67th
Cubes
13th
9th
76th
4th
18th
6th
Day of Week
30th
1st
80th
DFA Simulator
18th
35th
Diamonds
21st
7th
62nd
30th
7th
16th
98th
Divisors
11th
26th
35th
16th
1st
33rd
Emirp Numbers
11th
6th
17th
32nd
Emirp Numbers (Long)
29th
7th
117th
14th
36th
Emojify
16th
4th
40th
Evil Numbers
5th
66th
1st
12th
1st
24th
14th
Evil Numbers (Long)
18th
36th
1st
15th
35th
11th
Factorial Factorisation
10th
10th
14th
21st
25th
Farey Sequence
13th
19th
16th
Fibonacci
31st
9th
28th8th135th56th
4th
32nd
1st36th
25th
34th1st32nd
1st
42nd28th27th
1st
30th
7th61st
33rd
1st
Fizz Buzz
57th
1st
1st
1st
9th
9th
1st
82nd
Foo Fizz Buzz Bar
28th
12th
1st
Forsyth–Edwards Notation
18th
37th
Fractions
27th
14th
61st
1st
Game of Life
22nd
6th
72nd
Gijswijt’s Sequence
15th
50th
Happy Numbers
8th
67th
9th
1st
9th
Happy Numbers (Long)
15th
9th
18th
Hexdump
13th
7th
1st
Intersection
25th
22nd
59th
6th
Inventory Sequence
9th
19th
10th
43rd
ISBN
9th
31st
18th
Jacobi Symbol
19th
1st
70th
Kolakoski Constant
15th
13th
5th
38th
3rd
7th
Kolakoski Sequence
23rd
19th
7th
71st
48th
Leap Years
5th
14th
5th
1st
19th
5th
76th
14th
66th
Levenshtein Distance
37th
1st
1st
22nd13th
22nd
Leyland Numbers
4th
8th
7th
ln 2
1st
1st
1st
Look and Say
17th
105th
9th
14th
21st
Lucky Numbers
14th
62nd
7th
7th
20th
Lucky Tickets
19th
47th
Mahjong
Maze
19th
58th
Medal Tally
9th
8th
Morse Decoder
22nd
68th
Morse Encoder
2nd
2nd
Musical Chords
12th17th
16th
6th
43rd
Niven Numbers
20th
1st
40th
20th
1st
Niven Numbers (Long)
17th
35th
13th
37th
Number Spiral
13th9th
15th
19th
18th
5th
36th
5th
Odious Numbers
4th
58th
1st
13th
1st
19th
Odious Numbers (Long)
5th
34th
1st
13th
1st
11th
Ordinal Numbers
13th
4th
1st
Pangram Grep
21st
30th52nd
46th
223rd
13th
41st
36th
17th
98th
38th
Pascal’s Triangle
27th
11th
1st
14th49th
1st
17th
Pernicious Numbers
40th
1st
16th
184th
48th
Pernicious Numbers (Long)
32nd
1st
11th
89th
18th
Poker
7th
13th
Prime Numbers
11th
41st29th
19th
1st
12th
1st
29th
7th
Prime Numbers (Long)
19th
20th
1st
15th
48th
Proximity Grid
23rd
77th
QR Decoder
15th
40th
Quine
1st19th24th1st21st10th2nd101st134th76th21st12th2nd1st22nd29th4th1st12th28th1st
1st
76th3rd4th9th82nd184th64th
1st22nd1st1st1st59th
40th1st4th77th
24th105th
5th1st8th13th6th28th
26th
Recamán
13th
9th
4th
Repeating Decimals
1st
Reverse Polish Notation
25th
1st
62nd
96th
Rijndael S-box
38th
13th
7th
4th
24th
2nd
Rock-paper-scissors-Spock-lizard
17th
17th
116th
78th
Roman to Arabic
22nd
7th
32nd
14th
Rule 110
12th27th
11th
9th
21st
37th
Seven Segment
17th
35th
17th
SI Units
6th
15th
Sierpiński Triangle
11th31st
14th
18th
8th
40th
12th
Smith Numbers
9th
15th
9th
32nd
Spelling Numbers
29th1st
141st
Star Wars Opening Crawl
18th
40th
18th
Sudoku
8th
13th
Sudoku (Fill-in)
17th
48th
Ten-pin Bowling
17th
44th
Time Distance
15th
21st
Tongue-twisters
13th
12th
30th
6th
17th
15th
4th
10th
United States
13th
11th1st
Vampire Numbers
6th
5th
18th
Van Eck Sequence
6th
8th
13th
62nd
9th
1st
7th
Zodiac Signs
24th
89th
γ
13th
1st
6th
5th
λ
22nd
9th
10th32nd
49th5th
6th
21st
4th
5th
π
25th
10th
1st
6th
4th25th
13th
20th
6th
τ
21st
17th
49th
6th
4th
41st
5th
φ
15th
34th
1st
6th
1st
169th
5th
√2
26th
1st
6th
1st
1st
5th
𝑒
25th
1st
1st
5th
28th
1st33rd15th
6th