12 Days of Christmas
659
99 Bottles of Beer
600
Abundant Numbers
570
Arabic to Roman
511
Christmas Trees
432
CSS Colors
183
Cubes
192
Diamonds
328
Divisors
668
750
Emirp Numbers
717
Evil Numbers
535
686
Fibonacci
631
787
Fizz Buzz
537358636
Happy Numbers
728
Leap Years
759
670
Leyland Numbers
110
Morse Decoder
259
Morse Encoder
201
Niven Numbers
586
Odious Numbers
527
660
Ordinal Numbers
233
Pangram Grep
335
Pascal’s Triangle
149
Pernicious Numbers
497
Prime Numbers
574
774
Quine
629
Rock-paper-scissors-Spock-lizard
606
Roman to Arabic
271
Rule 110
10
Seven Segment
334
Sierpiński Triangle
361
Tongue-twisters
719
United States
254
Vampire Numbers
279
λ
528
π
204
τ
201
φ
170
√2
205
𝑒
161