12 Days of Christmas
381
99 Bottles of Beer
380
Arabic to Roman
356
Arithmetic Numbers
637
ASCII Table
498
Card Number Validation
497
Catalan Numbers
874
Christmas Trees
571
Collatz
716
Day of Week
696
Diamonds
518
Divisors
578
Evil Numbers
701
Evil Numbers (Long)
678
Fibonacci
756
Fizz Buzz
865708637751
Foo Fizz Buzz Bar
668
664
Fractions
552
Happy Numbers
523
Happy Numbers (Long)
618
Inventory Sequence
694
ISBN
534
Leap Years
704
694
Leyland Numbers
530
Niven Numbers
919
Niven Numbers (Long)
871
Odious Numbers
688
Odious Numbers (Long)
654
Ordinal Numbers
585
Pangram Grep
699
Pascal’s Triangle
536
Pernicious Numbers
567
Pernicious Numbers (Long)
636
Prime Numbers
654
Prime Numbers (Long)
702
Quine
602177
671
Recamán
673
Reverse Polish Notation
525
Spelling Numbers
268
Time Distance
330
Tongue-twisters
394
π
261