12 Days of Christmas
791
99 Bottles of Beer
804
Abundant Numbers
818
Arrows
709
CSS Colors
654
Diamonds
65
Divisors
856
Emirp Numbers
815
Evil Numbers
799
958
Fibonacci
899
935
Fizz Buzz
830
989
891
Happy Numbers
760
812
Leap Years
780815
817
863912
804
784
Leyland Numbers
752
Lucky Tickets
743
Morse Decoder
387
Morse Encoder
480
Niven Numbers
972
919
Odious Numbers
797
784
Ordinal Numbers
909
Pangram Grep
Pascalβs Triangle
756
Pernicious Numbers
671
767
Prime Numbers
971
835
Quine
967862479942684556914488903901866941946535479679448946417857
Rule 110
545
Seven Segment
525
Spelling Numbers
802
United States
Ξ»
187
586
15620510410086
Ο
766
Ο
744
Ο
225
β2
234
π
224