12 Days of Christmas
632
99 Bottles of Beer
832
Abundant Numbers
772
Arabic to Roman
640
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Christmas Trees
701
Collatz
950
Diamonds
625
Divisors
904
Emirp Numbers
723
Evil Numbers
818
Fibonacci
934
547
Fizz Buzz
944
Happy Numbers
722
Morse Decoder
466
Morse Encoder
554
Odious Numbers
783
Pangram Grep
Pascal’s Triangle
835
Pernicious Numbers
724
Prime Numbers
740
Quine
966
946
Recamán
851
Roman to Arabic
677
Seven Segment
717
Sierpiński Triangle
696
Spelling Numbers
United States