12 Days of Christmas
372
Abundant Numbers
719
Arabic to Roman
430
Christmas Trees
618
Cubes
374
Diamonds
528
Divisors
933
Emirp Numbers
858
Evil Numbers
493982
Fibonacci
509960
Fizz Buzz
891
Happy Numbers
554
Leap Years
865
Morse Decoder
412
Morse Encoder
440
Niven Numbers
574960
Odious Numbers
508980
Ordinal Numbers
739
Pangram Grep
639
Pascal’s Triangle
871
Pernicious Numbers
698
Prime Numbers
872
Quine
944
Rock-paper-scissors-Spock-lizard
461
Roman to Arabic
336
Rule 110
343
Seven Segment
521
Sierpiński Triangle
697
Spelling Numbers
216
United States
314
φ
683
√2
704