12 Days of Christmas
658
99 Bottles of Beer
600
Abundant Numbers
560
Arabic to Roman
505
Christmas Trees
426
CSS Colors
183
Cubes
191
Diamonds
323
Divisors
661
736
Emirp Numbers
710
Evil Numbers
533
683
Fibonacci
629
783
Fizz Buzz
534355629
Happy Numbers
715
Leap Years
742
582
Leyland Numbers
108
Morse Decoder
256
Morse Encoder
198
Niven Numbers
571
Odious Numbers
523
652
Ordinal Numbers
229
Pangram Grep
328
Pascal’s Triangle
148
Pernicious Numbers
490
Prime Numbers
573
771
Quine
627
Rock-paper-scissors-Spock-lizard
592
Roman to Arabic
265
Rule 110
10
Seven Segment
328
Sierpiński Triangle
355
Tongue-twisters
718
United States
250
Vampire Numbers
276
λ
526
π
203
τ
200
φ
169
√2
204
𝑒
160