12 Days of Christmas
477
99 Bottles of Beer
596
Abundant Numbers
674
Arabic to Roman
502
Christmas Trees
532
CSS Colors
47
Cubes
587
Diamonds
625
Divisors
846
Emirp Numbers
312
Evil Numbers
564
Fibonacci
963
Fizz Buzz
929
Happy Numbers
438
Kolakoski Sequence
420
Leap Years
839
Look and Say
510
Niven Numbers
886
Odious Numbers
561
Ordinal Numbers
655
Pangram Grep
626
Pernicious Numbers
565
Prime Numbers
667
Quine
940
RecamΓ‘n
609
Rule 110
499
Seven Segment
278
Spelling Numbers
575
Tongue-twisters
411
United States
160
Vampire Numbers
104
Van Eck Sequence
612
Ο
985725745637203
Ο
9558
200
Ο
87
168
β2
82
203
π
86
160