12 Days of Christmas
635
Abundant Numbers
698
Christmas Trees
708
Diamonds
523
Divisors
933
Emirp Numbers
500
Evil Numbers
786
Fibonacci
935
Fizz Buzz
862
Happy Numbers
368
Leap Years
756
Leyland Numbers
517
Morse Decoder
336
Morse Encoder
371
Niven Numbers
939
Odious Numbers
784
Ordinal Numbers
631
Pangram Grep
772
Pascal’s Triangle
904
Pernicious Numbers
686
Prime Numbers
643
Recamán
727
Rock-paper-scissors-Spock-lizard
515
Seven Segment
450
Sierpiński Triangle
716
φ
766
√2
684
𝑒
651