12 Days of Christmas
828
99 Bottles of Beer
710
Abundant Numbers
752
Arabic to Roman
505
Christmas Trees
536
CSS Colors
48
Cubes
585
Diamonds
633
Divisors
848
Emirp Numbers
461
Evil Numbers
576
Fibonacci
965
Fizz Buzz
864
Happy Numbers
598
Kolakoski Sequence
436
Leap Years
813
Look and Say
513
Niven Numbers
923
Odious Numbers
583
Ordinal Numbers
662
Pangram Grep
630
Pernicious Numbers
568
Prime Numbers
782
Quine
943
Recamán
614
Rule 110
453
Seven Segment
299
Spelling Numbers
603
Tongue-twisters
682
United States
154
Vampire Numbers
105
Van Eck Sequence
616
π
1015725896345204
τ
9859
201
φ
89
169
√2
83
204
𝑒
88
161