12 Days of Christmas
827
99 Bottles of Beer
710
Abundant Numbers
749
Arabic to Roman
504
Christmas Trees
534
CSS Colors
48
Cubes
611
Diamonds
627
Divisors
845
Emirp Numbers
458
Evil Numbers
572
Fibonacci
961
Fizz Buzz
931
Happy Numbers
594
Kolakoski Sequence
431
Leap Years
868
Look and Say
509
Niven Numbers
920
Odious Numbers
580
Ordinal Numbers
659
Pangram Grep
644
Pernicious Numbers
564
Prime Numbers
777
Quine
938
RecamΓ‘n
609
Rule 110
485
Seven Segment
298
Spelling Numbers
603
Tongue-twisters
681
United States
181
Vampire Numbers
104
Van Eck Sequence
611
Ο
100
57
25
97
63
45
203Ο
97
58
198Ο
88
167β2
83
202π
88
160