12 Days of Christmas
17th
99 Bottles of Beer
9th
Abundant Numbers
14th
Abundant Numbers (Long)
14th
Arabic to Roman
12th
Arithmetic Numbers
10th
Arrows
9th
ASCII Table
11th
Card Number Validation
14th
Catalan Numbers
12th
Christmas Trees
13th
Collatz
77th15th
Continued Fractions
4th
CSS Colors
5th
Day of Week
13th
Divisors
22nd
Emirp Numbers
14th
Emirp Numbers (Long)
9th
Emojify
13th
Evil Numbers
14th
Evil Numbers (Long)
12th
Factorial Factorisation
6th
Farey Sequence
10th
Fibonacci
66th
7th
Fizz Buzz
22nd
Foo Fizz Buzz Bar
12th
Fractions
13th
Happy Numbers
22nd
Happy Numbers (Long)
12th
Intersection
10th
ISBN
11th
Kaprekar Numbers
13th
Kolakoski Constant
10th
Kolakoski Sequence
13th
Leap Years
2nd
Levenshtein Distance
9th
Leyland Numbers
13th
ln 2
19th7th
Minesweeper
7th
Morse Encoder
7th
Multitap Input
5th
N Queens
5th
Niven Numbers
21st
Niven Numbers (Long)
1st
Number Spiral
8th
Odious Numbers
14th
Odious Numbers (Long)
16th
Ordinal Numbers
11th
Pangram Grep
14th
Partition Numbers
16th5th
Pascal’s Triangle
15th
Pernicious Numbers
21st
Pernicious Numbers (Long)
11th
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
11th
Recamán
9th
Reverse Polish Notation
10th
Rijndael S-box
8th
Rock-paper-scissors-Spock-lizard
6th
Roman to Arabic
9th
ROT13
11th
Set
6th
Seven Segment
6th
Smith Numbers
10th
Tic-tac-toe
7th
Time Distance
7th
Tongue-twisters
11th
Transpose Sentence
10th
Trinomial Triangle
11th
United States
33rd9th
Vampire Numbers
8th
Van Eck Sequence
10th
π
14th
τ
10th
φ
10th
√2
11th
𝑒
11th