12 Days of Christmas
99 Bottles of Beer
13th
Abundant Numbers
Arabic to Roman
Arrows
brainfuck
Christmas Trees
CSS Colors
Cubes
Diamonds
Divisors
Emirp Numbers
Emojify
Evil Numbers
Fibonacci
15th47th49th86th36th30th21st25th57th78th60th
Fizz Buzz
64th
Happy Numbers
Intersection
Kolakoski Constant
Kolakoski Sequence
Leap Years
8th
Levenshtein Distance
Leyland Numbers
Look and Say
Lucky Tickets
Morse Decoder
Morse Encoder
Niven Numbers
11th
Odious Numbers
Ordinal Numbers
Pangram Grep
Pascalβs Triangle
Pernicious Numbers
4th
Poker
Prime Numbers
9th
Quine
1st1st2nd90th1st17th1st22nd3rd1st29th10th26th49th28th1st1st51st1st5th43rd55th12th1st1st32nd8th17th
RecamΓ‘n
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
SierpiΕski Triangle
Spelling Numbers
Ten-pin Bowling
Tongue-twisters
United States
Vampire Numbers
Ξ»
Ο
Ο
Ο
β2
π