12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
32nd
brainfuck
5th
Christmas Trees
Collatz
3rd
CSS Colors
Day of Week
Divisors
9th
Emirp Numbers
22nd
Emojify
Evil Numbers
8th
Fibonacci
69th
Fizz Buzz
1st
Foo Fizz Buzz Bar
13th
Forsyth–Edwards Notation
Fractions
12th
Game of Life
12th
Happy Numbers
19th
Hexdump
6th
Intersection
13th
ISBN
15th
Jacobi Symbol
Kolakoski Sequence
Leap Years
17th
Levenshtein Distance
Leyland Numbers
Look and Say
Lucky Numbers
3rd4th
Niven Numbers
1st
Odious Numbers
Ordinal Numbers
16th
Pangram Grep
Pascal’s Triangle
1st
Pernicious Numbers
Prime Numbers
18th
Prime Numbers (Long)
1st
Quine
1st
Reverse Polish Notation
3rd
Rock-paper-scissors-Spock-lizard
Roman to Arabic
7th
Rule 110
7th8th
Time Distance
Tongue-twisters
18th
United States
Vampire Numbers
π
40th
τ