12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Arabic to Roman
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
CSS Colors
12th108th7th
Cubes
5th104th
Diamonds
Divisors
Emirp Numbers
Emojify
5th39th3rd
Evil Numbers
26th108th35th
Fibonacci
90th148th149th43rd
Fizz Buzz
75th179th140th38th
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Intersection
8th176th
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
17th203rd
Leap Years
22nd95th17th
Levenshtein Distance
7th103rd6th
Leyland Numbers
Look and Say
Lucky Tickets
5th87th8th
Morse Encoder
Niven Numbers
26th177th31st
Niven Numbers (Long)
Odious Numbers
24th78th33rd
Ordinal Numbers
11th164th17th
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
38th282nd40th
Prime Numbers
Prime Numbers (Long)
24th139th
Quine
Recamán
7th94th8th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Spelling Numbers
Sudoku
Tongue-twisters
United States
9th40th3rd
Vampire Numbers
9th142nd11th
Van Eck Sequence
λ
12th58th13th
π
5th60th
τ
5th55th
φ
8th91st12th
√2
16th110th
𝑒
13th134th16th