12 Days of Christmas
424
99 Bottles of Beer
502
Abundant Numbers
677
Abundant Numbers (Long)
728
Arabic to Roman
416
ASCII Table
348
Catalan’s Constant
124
Christmas Trees
583
Collatz
716
Divisors
744
Emirp Numbers
443
Emirp Numbers (Long)
585
Evil Numbers
649
840
Evil Numbers (Long)
631
801
Fibonacci
490
717
683
Fizz Buzz
644
742
971
826
645
674
Foo Fizz Buzz Bar
715
565
Intersection
606
ISBN
391
Kolakoski Constant
106
Leap Years
689
816
730
Niven Numbers
820
838
Niven Numbers (Long)
605
769
Odious Numbers
666
851
Odious Numbers (Long)
661
841
Ordinal Numbers
419
Pascal’s Triangle
438
Pernicious Numbers
382
Pernicious Numbers (Long)
439
Prime Numbers
534
652
Prime Numbers (Long)
664
Recamán
487
Tongue-twisters
388
United States
101
Van Eck Sequence
491
λ
196
π
102
τ
100
φ
99
√2
100
𝑒
81
71