12 Days of Christmas
889
99 Bottles of Beer
816
Abundant Numbers
774
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Christmas Trees
740
Cubes
586
Diamonds
652
Divisors
875
Emirp Numbers
492
Evil Numbers
675
Fibonacci
950698
Fizz Buzz
879
Gray Code Encoder
870
Hexdump
787
Kaprekar Numbers
703
Lucky Tickets
Morse Decoder
397
Niven Numbers
898
Odious Numbers
679
PalindromemordnilaP
645
Pangram Grep
749
Partition Numbers
699
Pernicious Numbers
512
Prime Numbers
711
Recamán
569
Rijndael S-box
505
ROT13
539
Scrambled Sort
642
United States
403
π
435
τ
427
φ
546
√2
511