12 Days of Christmas
791
99 Bottles of Beer
798
Abundant Numbers
813
Arrows
709
CSS Colors
656
Diamonds
64
Divisors
848
Emirp Numbers
810
Evil Numbers
797
956
Fibonacci
895
932
Fizz Buzz
829
987
890
Happy Numbers
754
808
Leap Years
763783
805
529887
781
782
Leyland Numbers
742
Lucky Tickets
739
Morse Decoder
384
Morse Encoder
476
Niven Numbers
964
913
Odious Numbers
792
781
Ordinal Numbers
910
Pangram Grep
Pascal’s Triangle
752
Pernicious Numbers
665
763
Prime Numbers
970
834
Quine
962863479941681554916486898576864938945534476676444945413854
Rule 110
536
Seven Segment
520
Spelling Numbers
796
United States
λ
187
560
1252061049780
π
764
τ
740
φ
224
√2
232
𝑒
222