12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Arabic to Roman
Arrows
brainfuck
Christmas Trees
CSS Colors
Cubes
Diamonds
Divisors
Emirp Numbers
Evil Numbers
Fibonacci
Fizz Buzz
Fractions
Happy Numbers
Happy Numbers (Long)
Kolakoski Constant
Kolakoski Sequence
Leap Years
Leyland Numbers
Look and Say
Niven Numbers
Odious Numbers
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Prime Numbers
Quine
1st
18th
1st
25th
60th
61st
24th
1st
48th
22nd
34th
1st
29th
10th
26th
1st
264th
1st
1st
20th
24th
1st
42nd
46th
55th
12th
79th
1st
34th
44th
35th
12th
Recamán
Rule 110
Sierpiński Triangle
Smith Numbers
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
λ
π
τ
φ
√2
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