12 Days of Christmas
6th
99 Bottles of Beer
10th
Abundant Numbers
15th
32nd
Abundant Numbers (Long)
14th
22nd
Arabic to Roman
6th
Arithmetic Numbers
17th
Arrows
8th
Ascending Primes
6th
ASCII Table
14th
Billiards
6th
Card Number Validation
9th
Catalan Numbers
9th
24th
Catalan’s Constant
7th
Christmas Trees
10th
Collatz
23rd
28th
Cubes
4th
Day of Week
20th
Diamonds
9th
Divisors
12th
Emirp Numbers
12th
48th
Emirp Numbers (Long)
7th
19th
Emojify
5th
Evil Numbers
21st
56th
47th
Evil Numbers (Long)
21st
50th
21st
Factorial Factorisation
12th
Farey Sequence
12th
Fibonacci
55th54th
52nd
152nd
Fizz Buzz
18th33rd605th486th319th64th57th62nd63rd38th213th45th1,955th63rd
Foo Fizz Buzz Bar
21st
21st
Fractions
18th
Happy Numbers
21st
27th
Happy Numbers (Long)
18th
16th
Intersection
9th
ISBN
16th
Jacobi Symbol
7th
Kolakoski Constant
6th
Leap Years
22nd
48th
Lucky Numbers
8th
Morse Decoder
5th
Morse Encoder
4th
Niven Numbers
29th
41st
Niven Numbers (Long)
16th
24th
Number Spiral
7th
Odious Numbers
23rd
56th
49th
Odious Numbers (Long)
21st
52nd
21st
Ordinal Numbers
13th
PalindromemordnilaP
2nd
Pangram Grep
11th
Pascal’s Triangle
11th
Pernicious Numbers
29th
62nd
Pernicious Numbers (Long)
10th
20th
Prime Numbers
17th
48th
83rd
Prime Numbers (Long)
12th
47th
35th
Quine
57th
Recamán
13th
Rijndael S-box
6th
Roman to Arabic
8th
Rule 110
5th
Seven Segment
7th
Sierpiński Triangle
8th
Spelling Numbers
7th
Ten-pin Bowling
6th
Tongue-twisters
4th
Transpose Sentence
9th
United States
Vampire Numbers
3rd
π
9th
11th
τ
10th