12 Days of Christmas
15th
129th
68th
899th
24 Game
4th14th
8th
134th
99 Bottles of Beer
14th140th152nd
51st
976th
Abundant Numbers
11th177th82nd
54th
40th
Abundant Numbers (Long)
11th102nd56th
36th
48th
Alphabetic Numbers
2nd8th
4th
Arabic to Roman
5th
30th
Arithmetic Numbers
8th
25th
Arrows
8th34th51st
39th
Ascending Primes
5th36th
13th
ASCII Table
11th114th64th
32nd
364th
brainfuck
5th102nd
23rd
Calendar
3rd13th17th
Card Number Validation
4th42nd
22nd
237th
Catalan Numbers
4th16th
34th
237th
Catalan’s Constant
3rd15th
10th
136th
Christmas Trees
6th91st
26th
576th
Collatz
11th200th84th
34th
655th
Continued Fractions
3rd18th11th
CSS Colors
6th
14th
Cubes
5th32nd
Day of Week
6th27th
32nd
Diamonds
7th57th
Divisors
14th236th73rd
Emirp Numbers
14th61st37th
34th
765th
Emirp Numbers (Long)
9th35th
13th
Emojify
4th32nd
21st
Evil Numbers
17th215th116th
609th
Evil Numbers (Long)
17th102nd62nd
35th
393rd
Factorial Factorisation
6th31st18th
12th
Farey Sequence
7th
96th
Fibonacci
27th326th109th
54th
80th212th
Fizz Buzz
10th307th160th
46th
Foo Fizz Buzz Bar
8th110th91st
22nd
Forsyth–Edwards Notation
6th23rd
15th
Fractions
9th86th
23rd
Game of Life
8th36th
12th
Gijswijt’s Sequence
6th16th20th
15th
Gray Code Decoder
3rd23rd
13th
Gray Code Encoder
6th23rd
25th
Happy Numbers
14th81st45th
49th
Happy Numbers (Long)
13th54th
25th
Hexdump
5th43rd
34th
16th
Hilbert Curve
5th4th
83rd
Intersection
7th55th50th
15th
21st
Inventory Sequence
12th45th
18th
258th
ISBN
17th65th
21st
Jacobi Symbol
5th28th
153rd
Kaprekar Numbers
4th36th
18th
98th
Kolakoski Constant
4th11th
115th
Kolakoski Sequence
8th49th
25th
283rd
Leap Years
16th213th66th
15th
466th
Levenshtein Distance
5th
17th
210th
Leyland Numbers
6th
32nd
16th
ln 2
5th16th
21st
142nd
Look and Say
7th37th
25th
Lucky Numbers
9th28th
16th
243rd
Lucky Tickets
4th22nd
16th
Mandelbrot
5th21st
17th
Medal Tally
4th
25th
4th
11th
Morse Decoder
2nd
23rd
13th
Morse Encoder
5th
15th
Multitap Input
4th12th
6th
107th
N Queens
5th21st15th
12th
107th
Niven Numbers
22nd179th83rd
274th
Niven Numbers (Long)
16th73rd
84th
31st
Number Spiral
8th
19th
Odious Numbers
18th136th74th
51st
836th
Odious Numbers (Long)
15th96th74th
32nd
Ordinal Numbers
8th65th
30th
PalindromemordnilaP
5th16th
Pangram Grep
13th61st66th
31st
Partition Numbers
8th28th
18th
Pascal’s Triangle
11th71st33rd
21st
Pernicious Numbers
24th108th84th73rd
43rd
Pernicious Numbers (Long)
11th47th
20th
Polyominoes
4th9th7th
9th
97th
Prime Numbers
15th190th52nd
39th
Prime Numbers (Long)
12th114th36th
Quine
23rd112th137th
764th
Recamán
8th49th28th
20th
Repeating Decimals
4th18th
14th
Reverse Polish Notation
4th
34th
275th
Rijndael S-box
5th50th
10th
134th
Rock-paper-scissors-Spock-lizard
3rd15th
Roman to Arabic
7th
16th
ROT13
6th63rd
21st
Rule 110
7th47th
10th
Scrambled Sort
2nd
23rd
Set
3rd8th21st
12th
Seven Segment
11th
11th24th
Sierpiński Triangle
7th63rd26th
21st
Smith Numbers
9th36th30th
18th
Spelling Numbers
4th25th
Sudoku
5th26th
Sudoku (Fill-in)
5th28th
9th
Taxicab Numbers
3rd
12th
8th
99th
Ten-pin Bowling
12th
13th
Tic-tac-toe
3rd24th20th
13th
189th
Time Distance
5th
13th
Tongue-twisters
6th39th
Tower of Hanoi
11th47th
36th
Transpose Sentence
5th
18th
15th
Trinomial Triangle
8th15th
10th
Ulam Sequence
3rd8th
68th
United States
4th
27th
43rd
28th
Vampire Numbers
6th34th31st20th
Van Eck Sequence
10th47th
21st
Zeckendorf Representation
7th25th
12th
Zodiac Signs
8th19th
12th
γ
3rd21st
λ
5th
25th
π
7th44th44th
391st
τ
7th27th29th
17th
280th
φ
7th18th26th
14th
259th
√2
6th18th32nd
139th
𝑒
7th42nd31st
19th
318th