12 Days of Christmas
625
99 Bottles of Beer
579
Abundant Numbers
484
Arabic to Roman
504
Christmas Trees
425
CSS Colors
104
Cubes
299
Diamonds
322
Divisors
661
736
Emirp Numbers
514
Evil Numbers
533
683
Fibonacci
615
783
Fizz Buzz
533354628
Happy Numbers
615
Leap Years
741
581
Leyland Numbers
108
Morse Decoder
296
Morse Encoder
302
Niven Numbers
571
Odious Numbers
523
652
Ordinal Numbers
226
Pangram Grep
328
Pascal’s Triangle
148
Pernicious Numbers
490
Prime Numbers
563
771
Quine
627
Rock-paper-scissors-Spock-lizard
541
Roman to Arabic
264
Rule 110
15
Seven Segment
315
Sierpiński Triangle
428
Tongue-twisters
599
United States
248
Vampire Numbers
184
λ
235
π
203
τ
201
φ
169
√2
204
𝑒
160