99 Bottles of Beer
917
601
Abundant Numbers
800
891
743
Arrows
396
Catalan Numbers
710
Collatz
932
CSS Colors
221
Divisors
875
Evil Numbers
638
Fibonacci
952
931
1,000
1,000
723
947
Fizz Buzz
593
836
1,000
931
913
983
Fractions
670
Game of Life
844
Happy Numbers
653
Leap Years
597
Levenshtein Distance
921
ln 2
275Look and Say
896
Niven Numbers
1,000
772
Number Spiral
443
Odious Numbers
667
Pascalβs Triangle
852
Pernicious Numbers
507
494
Prime Numbers
404
388
Proximity Grid
371
Quine
1,000
899
893
634
969
Reverse Polish Notation
745
Tongue-twisters
630
United States
220
Van Eck Sequence
424
Ο
347
104
230
223
147
281π
50