12 Days of Christmas
608
99 Bottles of Beer
580
Abundant Numbers
484
Arabic to Roman
505
Christmas Trees
406
CSS Colors
104
Cubes
299
Diamonds
323
Divisors
661
737
Emirp Numbers
515
Evil Numbers
533
683
Fibonacci
615
783
Fizz Buzz
533354628
Happy Numbers
615
Leap Years
741
581
Leyland Numbers
108
Morse Decoder
295
Morse Encoder
302
Niven Numbers
571
Odious Numbers
513
652
Ordinal Numbers
226
Pangram Grep
328
Pascal’s Triangle
148
Pernicious Numbers
491
Prime Numbers
563
771
Quine
628
Rock-paper-scissors-Spock-lizard
541
Roman to Arabic
264
Rule 110
15
Seven Segment
315
Sierpiński Triangle
427
Tongue-twisters
598
United States
248
Vampire Numbers
184
λ
235
π
203
τ
201
φ
169
√2
204
𝑒
160