12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Arabic to Roman
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
CSS Colors
12th92nd10th
Cubes
5th79th
Diamonds
Divisors
Emirp Numbers
Emojify
6th49th4th
Evil Numbers
25th108th34th
Fibonacci
85th148th150th43rd
Fizz Buzz
75th49th139th37th
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Intersection
8th156th
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
17th197th
Leap Years
19th93rd16th
Levenshtein Distance
7th83rd6th
Leyland Numbers
Look and Say
Lucky Tickets
5th72nd8th
Morse Encoder
Niven Numbers
25th174th31st
Niven Numbers (Long)
Odious Numbers
23rd79th32nd
Ordinal Numbers
11th141st17th
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
37th274th39th
Prime Numbers
Prime Numbers (Long)
23rd134th
Quine
Recamán
7th59th7th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Spelling Numbers
Sudoku
Tongue-twisters
United States
9th9th2nd
Vampire Numbers
5th136th10th
Van Eck Sequence
λ
6th30th9th
π
5th53rd
τ
5th49th
φ
4th88th10th
√2
1st98th
𝑒
13th113th16th