12 Days of Christmas
89th
99 Bottles of Beer
88th
Abundant Numbers
55th
Abundant Numbers (Long)
37th
Arithmetic Numbers
31st
Arrows
76th
ASCII Table
41st
brainfuck
172nd
Card Number Validation
39th
Catalan Numbers
74th
Catalan’s Constant
31st
Christmas Trees
96th
Collatz
80th
CSS Colors
96th
Cubes
79th
Divisors
215th
Emirp Numbers
112th
Emirp Numbers (Long)
48th
Emojify
49th
Evil Numbers
81st
Evil Numbers (Long)
45th
Factorial Factorisation
31st
Fibonacci
382nd
Fizz Buzz
395th
Foo Fizz Buzz Bar
170th
Fractions
68th
Happy Numbers
163rd
Happy Numbers (Long)
103rd
ISBN
81st
Kaprekar Numbers
15th
Kolakoski Constant
27th
Kolakoski Sequence
49th
Leap Years
336th
Leyland Numbers
54th
ln 2
24th
Look and Say
107th
Lucky Numbers
70th
Morse Encoder
52nd
N Queens
30th
Niven Numbers
1st
Niven Numbers (Long)
84th
Number Spiral
62nd
Odious Numbers
85th
Odious Numbers (Long)
44th
Ordinal Numbers
1st
PalindromemordnilaP
43rd
Pangram Grep
143rd
Pascal’s Triangle
114th
Pernicious Numbers
105th
Pernicious Numbers (Long)
61st
Polyominoes
23rd
Prime Numbers
57th235th
Prime Numbers (Long)
97th
Quine
29th
Recamán
86th
Rijndael S-box
46th
Roman to Arabic
125th
Seven Segment
112th
Sierpiński Triangle
105th
Smith Numbers
44th
Star Wars Opening Crawl
29th
Sudoku
44th
Sudoku (Fill-in)
29th
Tongue-twisters
151st
United States
98th
Vampire Numbers
56th
Van Eck Sequence
75th
π
63rd
τ
58th
φ
27th116th
√2
28th203rd
𝑒
37th267th