12 Days of Christmas
625
99 Bottles of Beer
579
Abundant Numbers
535
Arabic to Roman
511
Christmas Trees
430
CSS Colors
104
Cubes
300
Diamonds
326
Divisors
668
750
Emirp Numbers
522
Evil Numbers
535
686
Fibonacci
617
787
Fizz Buzz
535356632
Happy Numbers
624
Leap Years
744
669
Leyland Numbers
110
Morse Decoder
297
Morse Encoder
307
Niven Numbers
582
Odious Numbers
527
660
Ordinal Numbers
228
Pangram Grep
334
Pascal’s Triangle
149
Pernicious Numbers
497
Prime Numbers
563
774
Quine
629
Rock-paper-scissors-Spock-lizard
543
Roman to Arabic
269
Rule 110
16
Seven Segment
321
Sierpiński Triangle
436
Tongue-twisters
600
United States
249
Vampire Numbers
187
λ
235
π
204
τ
201
φ
169
√2
205
𝑒
161