12 Days of Christmas
624
99 Bottles of Beer
583
Abundant Numbers
533
Arabic to Roman
509
Christmas Trees
429
CSS Colors
100
Cubes
299
Diamonds
324
Divisors
668
748
Emirp Numbers
522
Evil Numbers
535
685
Fibonacci
617
782
Fizz Buzz
535356631
Happy Numbers
624
Leap Years
758
668
Leyland Numbers
110
Morse Decoder
297
Morse Encoder
306
Niven Numbers
580
Odious Numbers
526
658
Ordinal Numbers
228
Pangram Grep
333
Pascal’s Triangle
149
Pernicious Numbers
496
Prime Numbers
563
772
Quine
625
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
204
τ
201
φ
169
√2
204
𝑒
161