12 Days of Christmas
367
Abundant Numbers
716
Arabic to Roman
429
Christmas Trees
615
Cubes
357
Diamonds
524
Divisors
911
Emirp Numbers
854
Evil Numbers
492980
Fibonacci
507958
Fizz Buzz
889
Happy Numbers
551
Leap Years
862
Morse Decoder
409
Morse Encoder
432
Niven Numbers
560954
Odious Numbers
506976
Ordinal Numbers
727
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
689
Spelling Numbers
209
United States
314
φ
681
√2
700