12 Days of Christmas
6th
99 Bottles of Beer
9th
Abundant Numbers
13th
31st
Abundant Numbers (Long)
12th
21st
Arabic to Roman
6th
Arithmetic Numbers
13th
Arrows
6th
Ascending Primes
7th
ASCII Table
13th
Billiards
4th
Card Number Validation
7th
Catalan Numbers
6th
22nd
Catalan’s Constant
7th
Christmas Trees
10th
Collatz
22nd
26th
Cubes
3rd
Day of Week
18th
Diamonds
9th
Divisors
12th
Emirp Numbers
10th
48th
Emirp Numbers (Long)
6th
19th
Emojify
6th
Evil Numbers
19th
50th
47th
Evil Numbers (Long)
20th
44th
21st
Factorial Factorisation
10th
Farey Sequence
11th
Fibonacci
52nd48th
44th
129th
Fizz Buzz
16th32nd575th473rd304th61st54th59th60th38th211th41st1,894th61st
Foo Fizz Buzz Bar
19th
21st
Fractions
17th
Happy Numbers
19th
26th
Happy Numbers (Long)
16th
17th
Intersection
8th
ISBN
14th
Jacobi Symbol
7th
Kolakoski Constant
6th
Leap Years
19th
47th
Lucky Numbers
7th
Morse Decoder
4th
Morse Encoder
4th
Niven Numbers
25th
41st
Niven Numbers (Long)
15th
24th
Number Spiral
6th
Odious Numbers
21st
49th
48th
Odious Numbers (Long)
21st
45th
21st
Ordinal Numbers
13th
PalindromemordnilaP
2nd
Pangram Grep
10th
Pascal’s Triangle
8th
Pernicious Numbers
25th
59th
Pernicious Numbers (Long)
9th
21st
Prime Numbers
15th
39th
81st
Prime Numbers (Long)
9th
38th
33rd
Quine
55th
Recamán
12th
Rijndael S-box
4th
Roman to Arabic
8th
Rule 110
5th
Seven Segment
6th
Sierpiński Triangle
8th
Spelling Numbers
6th
Ten-pin Bowling
5th
Tongue-twisters
3rd
Transpose Sentence
8th
United States
Vampire Numbers
4th
π
9th
10th
τ
9th