12 Days of Christmas
367
Abundant Numbers
716
Arabic to Roman
430
Christmas Trees
615
Cubes
359
Diamonds
525
Divisors
911
Emirp Numbers
854
Evil Numbers
492980
Fibonacci
507958
Fizz Buzz
890
Happy Numbers
551
Leap Years
862
Morse Decoder
410
Morse Encoder
433
Niven Numbers
560954
Odious Numbers
506976
Ordinal Numbers
729
Pangram Grep
635
Pascal’s Triangle
868
Pernicious Numbers
695
Prime Numbers
871
Quine
945
Rock-paper-scissors-Spock-lizard
460
Roman to Arabic
334
Rule 110
338
Seven Segment
511
Sierpiński Triangle
690
Spelling Numbers
209
United States
313
φ
681
√2
700