12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Arabic to Roman
Arrows
ASCII Table
brainfuck
Christmas Trees
CSS Colors
Cubes
Diamonds
Divisors
Emirp Numbers
Emojify
Evil Numbers
Fibonacci
56th
Fizz Buzz
43rd
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Intersection
Kolakoski Constant
8th
8th
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
Look and Say
Lucky Tickets
Morse Decoder
Morse Encoder
Niven Numbers
Odious Numbers
Ordinal Numbers
Pangram Grep
Pascalβs Triangle
Pernicious Numbers
Prime Numbers
31st
Quine
1st
RecamΓ‘n
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
SierpiΕski Triangle
Smith Numbers
Tongue-twisters
10th
United States
Vampire Numbers
Van Eck Sequence
Ξ»
12th
11th
26th
60th
31st
28th
10th
19th
20th
31st
14th
Ο
14th
11th
24th
89th
60th
45th
12th
29th
22nd
46th
61st
Ο
11th
10th
24th
47th
33rd
Ο
13th
9th
β2
20th
9th
π
13th
13th