12 Days of Christmas
607
99 Bottles of Beer
619
Abundant Numbers
708
Arabic to Roman
538
Christmas Trees
561
CSS Colors
51
Cubes
640
Diamonds
669
Divisors
888
Emirp Numbers
330
Evil Numbers
596
Fibonacci
1,000
Fizz Buzz
952
Happy Numbers
463
Kolakoski Sequence
461
Leap Years
877
Look and Say
552
Niven Numbers
935
Odious Numbers
596
Ordinal Numbers
702
Pangram Grep
691
Pernicious Numbers
604
Prime Numbers
707
Quine
1,000
RecamΓ‘n
657
Rule 110
545
Seven Segment
298
Spelling Numbers
675
Tongue-twisters
421
United States
171
Vampire Numbers
113
Van Eck Sequence
669
Ο
105
59
25
82
57
39
223Ο
104
61
224Ο
95
188β2
89
227π
93
177