12 Days of Christmas
614
99 Bottles of Beer
594
Abundant Numbers
484
Arabic to Roman
506
Christmas Trees
406
CSS Colors
184
Cubes
189
Diamonds
323
Divisors
661
737
Emirp Numbers
710
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
513
652
Ordinal Numbers
226
Pangram Grep
328
Pascal’s Triangle
148
Pernicious Numbers
491
Prime Numbers
574
771
Quine
628
Rock-paper-scissors-Spock-lizard
591
Roman to Arabic
265
Rule 110
10
Seven Segment
328
Sierpiński Triangle
354
Tongue-twisters
718
United States
250
Vampire Numbers
275
λ
526
π
203
τ
201
φ
169
√2
204
𝑒
160