12 Days of Christmas
828
99 Bottles of Beer
710
Abundant Numbers
752
Arabic to Roman
504
Christmas Trees
535
CSS Colors
48
Cubes
584
Diamonds
632
Divisors
847
Emirp Numbers
460
Evil Numbers
575
Fibonacci
964
Fizz Buzz
864
Happy Numbers
597
Kolakoski Sequence
435
Leap Years
870
Look and Say
511
Niven Numbers
922
Odious Numbers
582
Ordinal Numbers
660
Pangram Grep
629
Pernicious Numbers
567
Prime Numbers
781
Quine
939
Recamán
612
Rule 110
452
Seven Segment
299
Spelling Numbers
602
Tongue-twisters
681
United States
154
Vampire Numbers
105
Van Eck Sequence
614
π
1005725896345204
τ
9859
200
φ
89
169
√2
83
204
𝑒
88
161