12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Arabic to Roman
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
CSS Colors
619th615th638th
Cubes
244th561st
Diamonds
Divisors
Emirp Numbers
Emojify
209th280th165th
Evil Numbers
1,032nd190th1,316th
Fibonacci
1,976th1,033rd4,510th4,679th
Fizz Buzz
5,380th2,425th6,438th7,619th
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Intersection
347th772nd
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
915th852nd
Leap Years
1,318th915th778th
Levenshtein Distance
537th765th338th
Leyland Numbers
Look and Say
Lucky Tickets
201st455th316th
Morse Encoder
Niven Numbers
925th1,200th849th
Niven Numbers (Long)
Odious Numbers
862nd165th1,034th
Ordinal Numbers
536th1,026th818th
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
1,668th1,469th1,658th
Prime Numbers
Prime Numbers (Long)
1,142nd446th
Quine
Recamán
473rd565th538th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Spelling Numbers
Sudoku
Tongue-twisters
United States
350th352nd270th
Vampire Numbers
507th579th613th
Van Eck Sequence
λ
632nd464th676th
π
206th433rd
τ
218th407th
φ
342nd444th1,082nd
√2
285th456th
𝑒
661st663rd1,258th