12 Days of Christmas
791
99 Bottles of Beer
798
Abundant Numbers
813
Arrows
704
CSS Colors
656
Diamonds
64
Divisors
848
Emirp Numbers
809
Evil Numbers
797
956
Fibonacci
896
932
Fizz Buzz
828
986
889
Happy Numbers
754
808
Leap Years
763784
804
529887
781
782
Leyland Numbers
742
Lucky Tickets
739
Morse Decoder
382
Morse Encoder
471
Niven Numbers
964
913
Odious Numbers
792
781
Ordinal Numbers
907
Pangram Grep
Pascal’s Triangle
752
Pernicious Numbers
665
763
Prime Numbers
970
834
Quine
962864479941681554916486898576864938945534477676444945413854
Rule 110
535
Seven Segment
520
Spelling Numbers
796
United States
λ
187
546
1252061029780
π
764
τ
740
φ
224
√2
232
𝑒
222