99 Bottles of Beer
413
Abundant Numbers
909
762
721
Arithmetic Numbers
747
Arrows
592
ASCII Table
493
Card Number Validation
479
Christmas Trees
625
519
Collatz
871
902
713
Divisors
957
731
857
Emojify
378
Evil Numbers
561
976
Farey Sequence
479
Fibonacci
645
854
623593
947
Fizz Buzz
841545
669824763523855662
Fractions
741
653
ISBN
612
Leyland Numbers
890
838
ln 2
591
Look and Say
771
606
Niven Numbers
677647
800
Number Spiral
371
Odious Numbers
870
Pernicious Numbers
667
Prime Numbers
672
923820441952570
Repeating Decimals
526
Scrambled Sort
737
Set
420
United States
128
π
418
364
389
𝑒
686