12 Days of Christmas
408
99 Bottles of Beer
405
Abundant Numbers
708
Arabic to Roman
411
Christmas Trees
655
CSS Colors
104
Cubes
328
Diamonds
527
Divisors
932
Emirp Numbers
495
Emojify
361
Evil Numbers
957
Fibonacci
934
Fizz Buzz
862
Happy Numbers
440
Leap Years
831
770
Levenshtein Distance
375
Leyland Numbers
736
Lucky Tickets
Morse Decoder
218
Morse Encoder
265
Niven Numbers
719
Odious Numbers
955
Ordinal Numbers
618
Pangram Grep
707
Pascal’s Triangle
400
Pernicious Numbers
379
Prime Numbers
700
Quine
946
Recamán
478
552
434
768
289
Rock-paper-scissors-Spock-lizard
392
Roman to Arabic
629
Rule 110
10
Seven Segment
339
Sierpiński Triangle
594
Spelling Numbers
202
Tongue-twisters
299
United States
365
Vampire Numbers
67
λ
99
π
414
τ
405
φ
682
√2
725
𝑒
659