12 Days of Christmas
632
99 Bottles of Beer
832
Abundant Numbers
773
Arabic to Roman
642
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Christmas Trees
701
Collatz
952
Diamonds
626
Divisors
905
Emirp Numbers
724
Evil Numbers
818
Fibonacci
935547
Fizz Buzz
945
Happy Numbers
723
Morse Decoder
467
Morse Encoder
554
Odious Numbers
784
Pangram Grep
Pascal’s Triangle
836
Pernicious Numbers
724
Prime Numbers
740
Quine
967946
Recamán
852
Roman to Arabic
679
Seven Segment
718
Sierpiński Triangle
673
Spelling Numbers
United States