12 Days of Christmas
404
99 Bottles of Beer
394
Abundant Numbers
698
ASCII Table
494
Catalan Numbers
765
Christmas Trees
506
Diamonds
368
Divisors
933
Emirp Numbers
500
Evil Numbers
570727
Fibonacci
555
Fizz Buzz
822848
Foo Fizz Buzz Bar
715
Fractions
446
Happy Numbers
431440
Happy Numbers (Long)
549
Intersection
458
ISBN
510
Kolakoski Constant
525
Kolakoski Sequence
807
Leap Years
726840815
Leyland Numbers
686
Niven Numbers
744
Odious Numbers
726
Ordinal Numbers
624
Pangram Grep
691
Pernicious Numbers
567
Prime Numbers
545665
Prime Numbers (Long)
680
Recamán
681
Reverse Polish Notation
625
Roman to Arabic
430
Smith Numbers
482
Spelling Numbers
255
Time Distance
450
Tongue-twisters
341
United States
Vampire Numbers
500
Van Eck Sequence
632
π
56
φ
856
√2
474