12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Christmas Trees
Cubes
Diamonds
6th
Divisors
Emirp Numbers
Evil Numbers
15th
Fibonacci
15th
Fizz Buzz
82nd
Happy Numbers
Happy Numbers (Long)
Kolakoski Constant
Kolakoski Sequence
8th
Leap Years
Leyland Numbers
Morse Decoder
Niven Numbers
Odious Numbers
Pangram Grep
Pernicious Numbers
Prime Numbers
19th
Quine
1st
RecamΓ‘n
Rule 110
Smith Numbers
Star Wars Opening Crawl
Sudoku (Fill-in)
Vampire Numbers
Van Eck Sequence
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24th11th75th89th82nd17th32nd39th38th14th40th47th12th28th78th181st92nd38th10th67th73rd31st261st68th110th37th12th9th8th31st
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