12 Days of Christmas
624
99 Bottles of Beer
584
Abundant Numbers
534
Arabic to Roman
509
Christmas Trees
429
CSS Colors
104
Cubes
299
Diamonds
326
Divisors
668
748
Emirp Numbers
522
Evil Numbers
535
686
Fibonacci
617
787
Fizz Buzz
535356632
Happy Numbers
624
Leap Years
758
669
Leyland Numbers
110
Morse Decoder
297
Morse Encoder
306
Niven Numbers
581
Odious Numbers
527
659
Ordinal Numbers
228
Pangram Grep
334
Pascal’s Triangle
149
Pernicious Numbers
497
Prime Numbers
563
773
Quine
629
Rock-paper-scissors-Spock-lizard
541
Roman to Arabic
268
Rule 110
16
Seven Segment
319
Sierpiński Triangle
435
Tongue-twisters
599
United States
248
Vampire Numbers
187
λ
235
π
203
τ
201
φ
169
√2
205
𝑒
161