12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
ASCII Table
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Day of Week
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
Game of Life
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
ISBN
Jacobi Symbol
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Niven Numbers
Niven Numbers (Long)
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pascal’s Triangle
Pernicious Numbers
Polyominoes
Prime Numbers
Prime Numbers (Long)
Quine
Recamán
Repeating Decimals
Rijndael S-box
Roman to Arabic
Smith Numbers
Spelling Numbers
Time Distance
Tongue-twisters
Transpose Sentence
Vampire Numbers
π
τ
φ
√2
9th
15th
9th
19th
31st
31st
27th
10th
43rd
30th
14th
21st
11th
8th
27th
11th
13th
7th
43rd
24th
28th
6th
53rd
89th
55th
27th
8th
19th
17th
33rd
14th
44th
13th
422nd
10th
19th
20th
51st
12th
22nd
9th
7th
17th
4th
11th
6th
8th
14th
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