99 Bottles of Beer
417
Abundant Numbers
721
Catalan Numbers
917
Collatz
770
Diamonds
505
Divisors
818
Emirp Numbers
487
Evil Numbers
976
Fibonacci
865825947
Fizz Buzz
914
Happy Numbers
384
Kolakoski Sequence
895
Leap Years
827
Look and Say
480
Niven Numbers
710
Odious Numbers
870
Ordinal Numbers
641
Pangram Grep
772
Pascal’s Triangle
581
Pernicious Numbers
741
Prime Numbers
667
Quine
969
Recamán
743
Roman to Arabic
503