12 Days of Christmas
382
99 Bottles of Beer
484
Abundant Numbers
927
Arabic to Roman
517
Christmas Trees
819
Diamonds
831
Divisors
947
Emirp Numbers
922
Evil Numbers
749
Fibonacci
930
Fizz Buzz
862983
Happy Numbers
969
Leap Years
874
Leyland Numbers
836
Morse Decoder
548
Morse Encoder
565
Niven Numbers
973
Odious Numbers
751
Ordinal Numbers
865
Pangram Grep
933
Pascal’s Triangle
971
Pernicious Numbers
639
Prime Numbers
836
Quine
967
397857
Roman to Arabic
Seven Segment
611
Sierpiński Triangle
863
Spelling Numbers
449
π
τ
φ
𝑒
762