99 Bottles of Beer
604
Arithmetic Numbers
497
Christmas Trees
272
Collatz
557
Divisors
548
Emirp Numbers
358
Emirp Numbers (Long)
398
Evil Numbers
488
Evil Numbers (Long)
488
Fibonacci
316
514
Fizz Buzz
542
Foo Fizz Buzz Bar
506
Happy Numbers
326
Happy Numbers (Long)
381
Look and Say
418
Niven Numbers
632579
Niven Numbers (Long)
711
Ordinal Numbers
293
494
Pangram Grep
518
Pernicious Numbers (Long)
500
Prime Numbers
323
Prime Numbers (Long)
386
Vampire Numbers
340
Van Eck Sequence
583
√2
576