99 Bottles of Beer
409
Abundant Numbers
860
740
708
Arithmetic Numbers
729
Arrows
578
ASCII Table
483
Card Number Validation
461
Christmas Trees
605
511
Collatz
822
873
698
Divisors
910
715
844
Emojify
371
Evil Numbers
545
958
Farey Sequence
463
Fibonacci
619
823
611546
935
Fizz Buzz
815500
653814716508848641
Fractions
705
634
ISBN
594
Leyland Numbers
831
817
ln 2
574
Look and Say
697
592
Niven Numbers
659598
785
Number Spiral
359
Odious Numbers
852
Pernicious Numbers
652
Prime Numbers
637
897745417934537
Repeating Decimals
468
Scrambled Sort
702
Set
402
United States
126
π
395
353
381
𝑒
669