99 Bottles of Beer
409
Abundant Numbers
859
740
708
Arithmetic Numbers
728
Arrows
577
ASCII Table
483
Card Number Validation
459
Christmas Trees
605
510
Collatz
821
872
697
Divisors
909
715
844
Emojify
371
Evil Numbers
544
957
Farey Sequence
462
Fibonacci
618
822
611
934
Fizz Buzz
815518
927814508848641
Fractions
704
633
ISBN
594
Leyland Numbers
831
816
ln 2
573
Look and Say
591
Niven Numbers
658
785
Number Spiral
359
Odious Numbers
851
Pernicious Numbers
652
Prime Numbers
636
874
934536
Repeating Decimals
467
United States
133
π
395
353
381
𝑒
669