12 Days of Christmas
792
99 Bottles of Beer
706
Abundant Numbers
744
Arabic to Roman
503
Christmas Trees
529
CSS Colors
48
Cubes
576
Diamonds
622
Divisors
838
Emirp Numbers
458
Evil Numbers
574
Fibonacci
961
Fizz Buzz
858
Happy Numbers
591
Kolakoski Sequence
434
Leap Years
809
Look and Say
507
Niven Numbers
909
Odious Numbers
579
Ordinal Numbers
655
Pangram Grep
621
Pernicious Numbers
564
Prime Numbers
781
Quine
941
Recamán
605
Rule 110
444
Seven Segment
287
Spelling Numbers
605
Tongue-twisters
679
United States
149
Vampire Numbers
103
Van Eck Sequence
611
π
995724886344203
τ
9758
200
φ
87
168
√2
82
203
𝑒
87
160