12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Arabic to Roman
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
CSS Colors
415489368
Cubes
676640
Diamonds
Divisors
Emirp Numbers
Emojify
627573778
Evil Numbers
844957785
Fibonacci
927934738725
Fizz Buzz
772976702635
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Intersection
760771
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
589626
Leap Years
855865878
Levenshtein Distance
666552786
Leyland Numbers
Look and Say
Lucky Tickets
757604646
Morse Encoder
Niven Numbers
906865914
Niven Numbers (Long)
Odious Numbers
850955809
Ordinal Numbers
808796722
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
604674610
Prime Numbers
Prime Numbers (Long)
752910
Quine
Recamán
827863793
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Spelling Numbers
Sudoku
Tongue-twisters
United States
812930865
Vampire Numbers
512590409
Van Eck Sequence
λ
424738488
π
911870
τ
897864
φ
892846222
√2
928858
𝑒
707700165