99 Bottles of Beer
639
Abundant Numbers
886
Abundant Numbers (Long)
931
ASCII Table
861
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Catalan Numbers
786
786
Christmas Trees
714
Collatz
901
881
CSS Colors
256
Divisors
945
Evil Numbers
797
Fibonacci
820822
862
Fizz Buzz
808
Jacobi Symbol
816
Leap Years
865906
Lucky Tickets
700
Niven Numbers
929
Number Spiral
554
Odious Numbers
821
Ordinal Numbers
773
Pangram Grep
683
910
Pascal’s Triangle
638
Prime Numbers
882
Prime Numbers (Long)
926
Quine
937
Recamán
680
Spelling Numbers
847
Sudoku
677
Sudoku (Fill-in)
753
Tongue-twisters
791
Van Eck Sequence
803
π
142