12 Days of Christmas
429
99 Bottles of Beer
775
Abundant Numbers
860
Arrows
521
CSS Colors
441
Diamonds
68
Divisors
875
Emirp Numbers
695
Evil Numbers
822
976
Fibonacci
917
947
Fizz Buzz
847
1,000
983
Happy Numbers
827
912
Leap Years
806
881
904
927
932
855
796
Leyland Numbers
313
Lucky Tickets
289
Morse Decoder
149
Morse Encoder
189
Niven Numbers
1,000
936
Odious Numbers
844
800
Ordinal Numbers
943
Pascalβs Triangle
788
Pernicious Numbers
694
784
Prime Numbers
1,000
851
Quine
1,000
923
526
1,000
600
711
515
630
964
893
1,000
722
1,000
579
500
720
472
969
436
893Rule 110
224
Seven Segment
190
Spelling Numbers
412
Ξ»
544
246
167
533
187
162
180
Ο
789
Ο
775
Ο
71
β2
73
π
70