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
460
Evil Numbers
575
Fibonacci
965
Fizz Buzz
864
Happy Numbers
597
Kolakoski Sequence
435
Leap Years
870
Look and Say
512
Niven Numbers
922
Odious Numbers
582
Ordinal Numbers
661
Pangram Grep
630
Pernicious Numbers
567
Prime Numbers
781
Quine
942
Recamán
613
Rule 110
452
Seven Segment
299
Spelling Numbers
603
Tongue-twisters
682
United States
154
Vampire Numbers
105
Van Eck Sequence
615
π
1015725896345204
τ
9859
201
φ
89
169
√2
83
204
𝑒
88
161