12 Days of Christmas
61st
99 Bottles of Beer
91st
Abundant Numbers
89th
Abundant Numbers (Long)
52nd
Arabic to Roman
24th
Arithmetic Numbers
44th
Arrows
30th
Ascending Primes
45th
ASCII Table
113th
Billiards
9th
brainfuck
86th
Calendar
10th
Catalan Numbers
23rd
Catalan’s Constant
14th
Christmas Trees
69th
Collatz
130th
CSS Colors
20th
Cubes
32nd
Day of Week
45th
Diamonds
65th
Divisors
95th
Emirp Numbers
62nd
Emirp Numbers (Long)
51st
Emojify
26th
Evil Numbers
160th
Evil Numbers (Long)
95th
Factorial Factorisation
39th
Farey Sequence
51st
Fibonacci
333rd
180th92nd
Fizz Buzz
423rd54th1,917th
Foo Fizz Buzz Bar
68th29th699th
Forsyth–Edwards Notation
21st
Fractions
72nd
Game of Life
29th
Gijswijt’s Sequence
16th
Happy Numbers
67th
Happy Numbers (Long)
45th
Hexdump
30th
Hilbert Curve
10th
Inventory Sequence
47th
Kaprekar Numbers
36th
Kolakoski Constant
23rd
Kolakoski Sequence
52nd
Leap Years
189th
Leyland Numbers
28th
ln 2
18th
Look and Say
38th
Lucky Numbers
40th
Mandelbrot
20th
Minesweeper
6th
Niven Numbers
132nd
Niven Numbers (Long)
55th
Number Spiral
52nd
Odious Numbers
120th
Odious Numbers (Long)
82nd
Partition Numbers
26th
Pascal’s Triangle
125th
Pernicious Numbers
108th
Pernicious Numbers (Long)
42nd
Poker
18th
Prime Numbers
112th
Prime Numbers (Long)
80th
Recamán
65th
Reverse Polish Notation
36th
Rijndael S-box
58th
ROT13
28th
Sierpiński Triangle
73rd
Smith Numbers
40th
Time Distance
21st
Tongue-twisters
50th
Tower of Hanoi
40th
Trinomial Triangle
16th
Vampire Numbers
38th
Van Eck Sequence
51st
γ
28th
λ
35th
π
66th
τ
31st
φ
28th
√2
34th
𝑒
53rd