12 Days of Christmas
41st
99 Bottles of Beer
460th
23rd
Abundant Numbers
48th
Arabic to Roman
31st
brainfuck
18th
Christmas Trees
68th
CSS Colors
33rd
Cubes
27th
Diamonds
51st
Divisors
458th
68th
Emirp Numbers
81st
Evil Numbers
49th
Fibonacci
58th
Fizz Buzz
1,085th
75th
Happy Numbers
72nd
Leap Years
20th
Leyland Numbers
36th
Lucky Tickets
Morse Decoder
22nd
Morse Encoder
24th
Niven Numbers
38th
Odious Numbers
42nd
Ordinal Numbers
1st
21st
Pangram Grep
54th
Pascal’s Triangle
36th
Pernicious Numbers
47th
Prime Numbers
56th
Quine
93rd
97th
Rock-paper-scissors-Spock-lizard
33rd
Roman to Arabic
36th
Rule 110
26th
Seven Segment
20th
Sierpiński Triangle
23rd
Spelling Numbers
14th
Sudoku
46th
14th
United States
28th
Vampire Numbers
25th
λ
21st
π
37th
τ
35th28th
φ
34th
√2
28th
𝑒
35th