12 Days of Christmas
866
Abundant Numbers
728
Christmas Trees
813
Diamonds
317
Divisors
984
Emirp Numbers
617
Evil Numbers
785
Fibonacci
935
Fizz Buzz
945
Happy Numbers
474
Leap Years
757
Leyland Numbers
606
Morse Decoder
437
Morse Encoder
486
Niven Numbers
941
Odious Numbers
783
Ordinal Numbers
774
Pangram Grep
910
Pascal’s Triangle
975
Pernicious Numbers
686
Prime Numbers
643
Recamán
806
Rock-paper-scissors-Spock-lizard
748
Seven Segment
616
Sierpiński Triangle
748
φ
783
√2
687
𝑒
652