12 Days of Christmas
15th
128th
68th
887th
24 Game
4th14th
7th
130th
99 Bottles of Beer
14th137th151st
52nd
1,010th
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
37th
Ascending Primes
5th36th
11th
ASCII Table
11th112th63rd
32nd
357th
brainfuck
5th101st
Calendar
2nd13th15th
Card Number Validation
4th41st
21st
234th
Catalan Numbers
4th16th
33rd
229th
Catalan’s Constant
3rd13th
9th
130th
Christmas Trees
6th125th
Collatz
11th198th84th
35th
646th
Continued Fractions
3rd16th11th
CSS Colors
5th
14th
Cubes
5th31st
Day of Week
6th27th
32nd
Diamonds
7th57th
Divisors
14th235th72nd
Emirp Numbers
14th60th37th
35th
761st
Emirp Numbers (Long)
9th34th
13th
Emojify
4th32nd
21st
Evil Numbers
17th212th116th
603rd
Evil Numbers (Long)
17th101st62nd
35th
387th
Factorial Factorisation
6th30th17th
11th
Farey Sequence
7th
91st
Fibonacci
26th325th107th
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
17th
Gray Code Decoder
3rd21st
12th
Gray Code Encoder
6th22nd
22nd
Happy Numbers
14th81st45th
49th
Happy Numbers (Long)
13th54th
26th
Hexdump
5th41st
15th
Hilbert Curve
5th
75th
Intersection
7th54th49th
15th
21st
Inventory Sequence
12th45th
17th
250th
ISBN
17th65th
22nd
Jacobi Symbol
5th27th
150th
Kaprekar Numbers
3rd36th
18th
92nd
Kolakoski Constant
4th11th
110th
Kolakoski Sequence
8th49th
25th
275th
Leap Years
16th209th66th
15th
461st
Leyland Numbers
6th
32nd
17th
ln 2
4th16th
21st
139th
Look and Say
7th37th
25th
Lucky Numbers
7th27th
14th
238th
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
118th
Niven Numbers
22nd176th81st
603rd
Niven Numbers (Long)
16th72nd
84th
32nd
Number Spiral
7th
18th
Odious Numbers
18th135th71st
52nd
831st
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
92nd
Prime Numbers
15th186th52nd
39th
Prime Numbers (Long)
12th110th36th
Quine
23rd109th135th
755th
Recamán
8th48th28th
18th
Repeating Decimals
4th17th
Rijndael S-box
5th48th
9th
128th
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)
5th26th
8th
Taxicab Numbers
2nd
12th
7th
92nd
Tic-tac-toe
3rd23rd20th
12th
184th
Time Distance
5th
12th
Tongue-twisters
6th38th
Tower of Hanoi
10th47th
34th
Transpose Sentence
4th
18th
14th
Trinomial Triangle
8th14th
9th
Ulam Sequence
3rd7th
59th
United States
4th
25th
40th
27th
Vampire Numbers
7th33rd31st21st
Van Eck Sequence
10th46th
25th
Zeckendorf Representation
7th25th
11th
Zodiac Signs
8th19th
11th
γ
3rd21st
λ
5th
25th
π
7th44th42nd
385th
τ
7th27th28th
15th
274th
φ
7th18th25th
14th
258th
√2
6th18th30th
133rd
𝑒
7th41st30th
18th
314th