12 Days of Christmas
828
99 Bottles of Beer
710
Abundant Numbers
752
Arabic to Roman
505
Christmas Trees
535
CSS Colors
48
Cubes
584
Diamonds
632
Divisors
847
Emirp Numbers
461
Evil Numbers
576
Fibonacci
965
Fizz Buzz
864
Happy Numbers
598
Kolakoski Sequence
435
Leap Years
871
Look and Say
512
Niven Numbers
922
Odious Numbers
583
Ordinal Numbers
662
Pangram Grep
630
Pernicious Numbers
568
Prime Numbers
782
Quine
943
Recamán
613
Rule 110
453
Seven Segment
299
Spelling Numbers
603
Tongue-twisters
682
United States
154
Vampire Numbers
105
Van Eck Sequence
615
π
1015725896345203
τ
9859
201
φ
89
169
√2
83
204
𝑒
88
161