12 Days of Christmas
372
Abundant Numbers
719
Arabic to Roman
430
Christmas Trees
617
Cubes
374
Diamonds
528
Divisors
933
Emirp Numbers
858
Evil Numbers
810982
Fibonacci
834960
Fizz Buzz
891
Happy Numbers
554
Leap Years
864
Morse Decoder
412
Morse Encoder
440
Niven Numbers
900959
Odious Numbers
823980
Ordinal Numbers
739
Pangram Grep
639
Pascal’s Triangle
871
Pernicious Numbers
698
Prime Numbers
872
Quine
946
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