99 Bottles of Beer
473
Abundant Numbers
696
Arithmetic Numbers
820
Arrows
602674
Ascending Primes
781
ASCII Table
561640
Card Number Validation
462
Catalan Numbers
848
733
Christmas Trees
797
Collatz
722875
Cubes
30
Day of Week
7231,000
Divisors
745
891
Emirp Numbers
532
Emojify
423
Evil Numbers
540889765
Factorial Factorisation
697
Farey Sequence
627
457846
Fibonacci
714
Fizz Buzz
395
Fractions
552
6391,000
Happy Numbers
545
ISBN
436612671
Leap Years
791744827786
Leyland Numbers
536
689746
Look and Say
750
927
Medal Tally
372
Minesweeper
401
Multitap Input
767
Niven Numbers
829
786763
Number Spiral
254
Odious Numbers
596
765
Ordinal Numbers
821
Pangram Grep
760640
929
Pascal’s Triangle
891
676645
Pernicious Numbers
705667784737
Prime Numbers
651
844
Recamán
689
Rock-paper-scissors-Spock-lizard
452
ROT13
614889
921
Scrambled Sort
944
Seven Segment
394
Smith Numbers
532
Tongue-twisters
290
Transpose Sentence
689
United States
71