12 Days of Christmas
41st
99 Bottles of Beer
86th
51st
Abundant Numbers
56th
Abundant Numbers (Long)
48th
Arabic to Roman
47th
15th
Arithmetic Numbers
29th
Arrows
26th
ASCII Table
33rd
brainfuck
27th
Catalan Numbers
334th15th
Catalan’s Constant
17th
16th
Christmas Trees
42nd
Collatz
53rd
CSS Colors
17th
Cubes
13th
Diamonds
33rd
Divisors
73rd
70th
Emirp Numbers
29th
Emirp Numbers (Long)
22nd
Emojify
21st
Evil Numbers
49th
Evil Numbers (Long)
37th
Factorial Factorisation
21st
Fibonacci
162nd
124th
Fizz Buzz
101st
107th
Foo Fizz Buzz Bar
52nd
55th
Fractions
49th
25th
Gijswijt’s Sequence
17th
Happy Numbers
54th
Happy Numbers (Long)
30th
Hexdump
15th
Intersection
23rd
Inventory Sequence
27th
ISBN
23rd
Kolakoski Constant
15th
Kolakoski Sequence
25th
Leap Years
55th
Leyland Numbers
21st
Look and Say
22nd
19th
Lucky Numbers
20th
Niven Numbers
68th
63rd
Niven Numbers (Long)
28th
Number Spiral
18th
Odious Numbers
70th
42nd
Odious Numbers (Long)
36th
Ordinal Numbers
18th
Pangram Grep
38th
Pascal’s Triangle
60th
44th
Pernicious Numbers
69th
50th
Pernicious Numbers (Long)
25th
Prime Numbers
78th
53rd
Prime Numbers (Long)
74th
47th
Proximity Grid
11th
Quine
72nd
Recamán
32nd
Repeating Decimals
10th
Reverse Polish Notation
27th
Rock-paper-scissors-Spock-lizard
22nd
Roman to Arabic
18th
Rule 110
25th
Seven Segment
30th
Sierpiński Triangle
33rd
Smith Numbers
23rd
Spelling Numbers
14th
Sudoku
12th
Tongue-twisters
40th
20th
United States
19th
Vampire Numbers
14th
Van Eck Sequence
29th
20th
λ
22nd
20th
π
33rd
24th
τ
22nd
16th
φ
24th
18th
√2
22nd399th15th
𝑒
32nd
27th