12 Days of Christmas
470
99 Bottles of Beer
477
Abundant Numbers
765
Arabic to Roman
584
Arithmetic Numbers
519
Arrows
213
ASCII Table
430
Christmas Trees
671
Collatz
833
CSS Colors
116
Day of Week
898
Diamonds
447
Divisors
749
Emirp Numbers
443
Emojify
477
Evil Numbers
507
Fibonacci
578
Fizz Buzz
908
Foo Fizz Buzz Bar
746
Fractions
451
Happy Numbers
441
Leap Years
787
Leyland Numbers
515
Look and Say
666
Lucky Numbers
443
Morse Decoder
203
Morse Encoder
228
Niven Numbers
638
Niven Numbers (Long)
600
Number Spiral
263
Pangram Grep
617
Pernicious Numbers
267
Prime Numbers
573
Prime Numbers (Long)
487
Quine
147
Rock-paper-scissors-Spock-lizard
405
Spelling Numbers
288
Tongue-twisters
376
Transpose Sentence
357
United States
104
π
167