12 Days of Christmas
541
99 Bottles of Beer
791
Abundant Numbers
741
Arabic to Roman
473
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Christmas Trees
610
Collatz
798
Diamonds
523
Divisors
858
Emirp Numbers
858
Evil Numbers
818
Fibonacci
935527
Fizz Buzz
862
Happy Numbers
798
Morse Decoder
391
Morse Encoder
468
Odious Numbers
784
Pangram Grep
Pascal’s Triangle
774
Pernicious Numbers
724
Prime Numbers
755
Quine
967946
Recamán
768
Roman to Arabic
528
Seven Segment
783
Sierpiński Triangle
654
Spelling Numbers
United States