12 Days of Christmas
15th
125th
68th
874th
24 Game
4th14th
7th
129th
99 Bottles of Beer
14th139th151st
52nd
1,009th
Abundant Numbers
11th174th82nd
59th
36th
Abundant Numbers (Long)
11th101st56th
38th
46th
Alphabetic Numbers
2nd8th
3rd
Arabic to Roman
5th
30th
Arithmetic Numbers
8th
27th
Arrows
8th34th50th
38th
Ascending Primes
5th36th
11th
ASCII Table
11th111th63rd
32nd
350th
brainfuck
5th101st
Calendar
2nd13th15th
Card Number Validation
4th41st
21st
234th
Catalan Numbers
4th16th
33rd
227th
Catalan’s Constant
2nd11th
7th
128th
Christmas Trees
6th125th
Collatz
11th198th84th
35th
642nd
Continued Fractions
3rd16th11th
CSS Colors
5th
14th
Cubes
5th38th
Day of Week
6th27th
32nd
Diamonds
7th57th
Divisors
14th235th72nd
Emirp Numbers
14th59th37th
35th
759th
Emirp Numbers (Long)
9th34th
13th
Emojify
4th33rd
21st
Evil Numbers
17th211th116th
603rd
Evil Numbers (Long)
17th101st62nd
35th
387th
Factorial Factorisation
6th30th17th
11th
Farey Sequence
7th
88th
Fibonacci
26th324th107th
54th
79th205th
Fizz Buzz
10th303rd159th
45th
Foo Fizz Buzz Bar
10th109th90th
20th
Forsyth–Edwards Notation
6th23rd
15th
Fractions
9th85th
23rd
Game of Life
7th36th
11th
Gijswijt’s Sequence
6th16th20th
16th
Gray Code Decoder
3rd21st
12th
Gray Code Encoder
6th22nd
22nd
Happy Numbers
13th80th44th
48th
Happy Numbers (Long)
13th53rd
26th
Hexdump
5th41st
15th
Hilbert Curve
5th
74th
Intersection
7th54th49th
15th
21st
Inventory Sequence
12th45th
17th
250th
ISBN
17th65th
22nd
Jacobi Symbol
5th27th
148th
Kaprekar Numbers
3rd36th
18th
86th
Kolakoski Constant
4th11th
104th
Kolakoski Sequence
8th49th
25th
271st
Leap Years
16th209th61st
15th
453rd
Leyland Numbers
6th
32nd
17th
ln 2
3rd16th
18th
131st
Look and Say
7th37th
25th
Lucky Numbers
7th27th
14th
235th
Lucky Tickets
3rd21st
15th
Mandelbrot
5th20th
16th
Medal Tally
3rd
24th
4th
10th
Morse Decoder
2nd
23rd
12th
Morse Encoder
5th
13th
Multitap Input
4th12th
5th
102nd
N Queens
5th21st14th
11th
116th
Niven Numbers
22nd176th81st
598th
Niven Numbers (Long)
16th72nd
84th
32nd
Number Spiral
6th
17th
Odious Numbers
18th135th71st
52nd
830th
Odious Numbers (Long)
15th95th72nd
33rd
Ordinal Numbers
8th63rd
29th
PalindromemordnilaP
4th16th
Pangram Grep
13th60th64th
29th
Partition Numbers
7th27th
17th
Pascal’s Triangle
11th70th33rd
Pernicious Numbers
22nd105th82nd70th
44th
Pernicious Numbers (Long)
11th47th
20th
Polyominoes
3rd8th7th
7th
91st
Prime Numbers
15th186th52nd
39th
Prime Numbers (Long)
12th110th36th
Quine
23rd109th135th
755th
Recamán
8th47th28th
18th
Repeating Decimals
4th17th
Rijndael S-box
5th48th
9th
122nd
Rock-paper-scissors-Spock-lizard
3rd15th
Roman to Arabic
7th
16th
ROT13
4th60th
21st
Rule 110
7th45th
12th
Scrambled Sort
2nd
21st
Set
3rd8th20th
11th
Seven Segment
11th
11th23rd
Sierpiński Triangle
9th61st26th
19th
Smith Numbers
9th35th30th
17th
Spelling Numbers
4th25th
Sudoku
4th25th
Sudoku (Fill-in)
4th25th
8th
Taxicab Numbers
2nd
12th
7th
92nd
Tic-tac-toe
3rd23rd20th
12th
184th
Time Distance
5th
12th
Tongue-twisters
6th35th
Tower of Hanoi
10th47th
34th
Transpose Sentence
4th
18th
14th
Trinomial Triangle
8th14th
9th
Ulam Sequence
3rd7th
57th
United States
4th
25th
34th
27th
Vampire Numbers
6th32nd30th20th
Van Eck Sequence
10th46th
25th
Zeckendorf Representation
7th25th
11th
Zodiac Signs
8th19th
10th
γ
2nd17th
λ
4th
18th
π
6th44th40th
375th
τ
6th25th26th
12th
273rd
φ
6th18th25th
14th
250th
√2
5th18th30th
118th
𝑒
7th41st30th
18th
309th