12 Days of Christmas
632
99 Bottles of Beer
832
Abundant Numbers
773
Arabic to Roman
641
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Christmas Trees
701
Collatz
951
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
783
Pangram Grep
Pascal’s Triangle
835
Pernicious Numbers
724
Prime Numbers
740
Quine
967946
Recamán
852
Roman to Arabic
678
Seven Segment
717
Sierpiński Triangle
685
Spelling Numbers
United States