12 Days of Christmas
656
99 Bottles of Beer
594
Abundant Numbers
484
Arabic to Roman
504
Christmas Trees
425
CSS Colors
183
Cubes
189
Diamonds
322
Divisors
661
736
Emirp Numbers
709
Evil Numbers
533
683
Fibonacci
629
783
Fizz Buzz
533354628
Happy Numbers
715
Leap Years
756
582
Leyland Numbers
108
Morse Decoder
254
Morse Encoder
198
Niven Numbers
571
Odious Numbers
523
652
Ordinal Numbers
226
Pangram Grep
328
Pascal’s Triangle
148
Pernicious Numbers
490
Prime Numbers
573
771
Quine
627
Rock-paper-scissors-Spock-lizard
591
Roman to Arabic
265
Rule 110
10
Seven Segment
328
Sierpiński Triangle
355
Tongue-twisters
718
United States
250
Vampire Numbers
275
λ
526
π
203
τ
201
φ
169
√2
204
𝑒
160