12 Days of Christmas
630
99 Bottles of Beer
832
Abundant Numbers
773
Arabic to Roman
642
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Christmas Trees
701
Collatz
883
Diamonds
626
Divisors
905
Emirp Numbers
714
Evil Numbers
818
Fibonacci
935547
Fizz Buzz
945
Happy Numbers
723
Morse Decoder
467
Morse Encoder
555
Odious Numbers
784
Pangram Grep
Pascal’s Triangle
836
Pernicious Numbers
725
Prime Numbers
741
Quine
967947
Recamán
852
Roman to Arabic
679
Seven Segment
718
Sierpiński Triangle
674
Spelling Numbers
United States