12 Days of Christmas
866
Abundant Numbers
727
Christmas Trees
813
Diamonds
317
Divisors
984
Emirp Numbers
616
Evil Numbers
785
Fibonacci
934
Fizz Buzz
944
Happy Numbers
474
Leap Years
756
Leyland Numbers
606
Morse Decoder
436
Morse Encoder
485
Niven Numbers
941
Odious Numbers
783
Ordinal Numbers
773
Pangram Grep
909
Pascal’s Triangle
974
Pernicious Numbers
686
Prime Numbers
643
Recamán
805
Rock-paper-scissors-Spock-lizard
748
Seven Segment
615
Sierpiński Triangle
760
φ
782
√2
686
𝑒
652