12 Days of Christmas
7th
99 Bottles of Beer
7th
Abundant Numbers
13th
Abundant Numbers (Long)
12th
Arabic to Roman
6th
Arithmetic Numbers
11th
Arrows
6th
Ascending Primes
6th
ASCII Table
12th
Billiards
4th
Card Number Validation
6th
Catalan Numbers
4th
Catalan’s Constant
5th
Christmas Trees
8th
Collatz
20th
Cubes
3rd
Day of Week
17th
Diamonds
9th
Divisors
13th
Emirp Numbers
10th
Emirp Numbers (Long)
6th
Emojify
5th
Evil Numbers
17th
Evil Numbers (Long)
18th
Factorial Factorisation
8th
Farey Sequence
10th
Fibonacci
47th43rd
Fizz Buzz
16th31st532nd449th281st56th50th55th56th40th199th39th1,770th57th
Foo Fizz Buzz Bar
18th
Fractions
16th
Happy Numbers
17th
Happy Numbers (Long)
14th
Intersection
8th
ISBN
12th
Jacobi Symbol
6th
Kolakoski Constant
4th
Leap Years
18th
Lucky Numbers
6th
Morse Decoder
3rd
Morse Encoder
3rd
Niven Numbers
21st
Niven Numbers (Long)
14th
Number Spiral
6th
Odious Numbers
18th
Odious Numbers (Long)
18th
Ordinal Numbers
13th
PalindromemordnilaP
2nd
Pangram Grep
10th
Pascal’s Triangle
7th
Pernicious Numbers
23rd
Pernicious Numbers (Long)
13th
Prime Numbers
13th
Prime Numbers (Long)
9th
Quine
47th
Recamán
11th
Rijndael S-box
3rd
Roman to Arabic
8th
Rule 110
5th
Seven Segment
5th
Sierpiński Triangle
9th
Spelling Numbers
6th
Ten-pin Bowling
2nd
Tongue-twisters
3rd
Transpose Sentence
7th
United States
5th
Vampire Numbers
4th
π
7th
τ