12 Days of Christmas
133rd
99 Bottles of Beer
132nd
Abundant Numbers
60th
Abundant Numbers (Long)
44th
Arithmetic Numbers
36th
Arrows
65th
ASCII Table
59th
brainfuck
189th
Card Number Validation
46th
Catalan Numbers
90th
Catalan’s Constant
37th
Christmas Trees
107th
Collatz
102nd
CSS Colors
117th
Cubes
91st
Divisors
226th
Emirp Numbers
124th
Emirp Numbers (Long)
57th
Emojify
59th
Evil Numbers
89th
Evil Numbers (Long)
53rd
Factorial Factorisation
39th
Fibonacci
422nd
Fizz Buzz
426th
Foo Fizz Buzz Bar
199th
Fractions
76th
Happy Numbers
174th
Happy Numbers (Long)
116th
ISBN
93rd
Kaprekar Numbers
26th
Kolakoski Constant
33rd
Kolakoski Sequence
51st
Leap Years
377th
Leyland Numbers
60th
ln 2
28th
Look and Say
119th
Lucky Numbers
78th
Morse Encoder
63rd
N Queens
43rd
Niven Numbers
1st
Niven Numbers (Long)
95th
Number Spiral
72nd
Odious Numbers
96th
Odious Numbers (Long)
53rd
Ordinal Numbers
1st
PalindromemordnilaP
51st
Pangram Grep
170th
Pascal’s Triangle
127th
Pernicious Numbers
116th
Pernicious Numbers (Long)
68th
Polyominoes
32nd
Prime Numbers
66th278th
Prime Numbers (Long)
110th
Quine
34th
Recamán
94th
Rijndael S-box
55th
Roman to Arabic
135th
Seven Segment
128th
Sierpiński Triangle
121st
Smith Numbers
51st
Star Wars Opening Crawl
39th
Sudoku
48th
Sudoku (Fill-in)
36th
Tongue-twisters
171st
United States
78th
Vampire Numbers
63rd
Van Eck Sequence
82nd
π
75th
τ
63rd
φ
31st163rd
√2
31st267th
𝑒
45th311th