12 Days of Christmas
6th
99 Bottles of Beer
10th
Abundant Numbers
15th
32nd
Abundant Numbers (Long)
14th
21st
Arabic to Roman
6th
Arithmetic Numbers
17th
Arrows
7th
Ascending Primes
6th
ASCII Table
14th
Billiards
5th
Card Number Validation
8th
Catalan Numbers
8th
24th
Catalan’s Constant
7th
Christmas Trees
9th
Collatz
23rd
27th
Cubes
4th
Day of Week
20th
Diamonds
10th
Divisors
12th
Emirp Numbers
11th
48th
Emirp Numbers (Long)
6th
19th
Emojify
5th
Evil Numbers
19th
54th
47th
Evil Numbers (Long)
21st
48th
21st
Factorial Factorisation
12th
Farey Sequence
11th
Fibonacci
54th54th
49th
152nd
Fizz Buzz
17th33rd603rd483rd318th65th58th63rd62nd38th214th43rd1,943rd62nd
Foo Fizz Buzz Bar
20th
21st
Fractions
18th
Happy Numbers
20th
26th
Happy Numbers (Long)
17th
17th
Intersection
8th
ISBN
14th
Jacobi Symbol
7th
Kolakoski Constant
6th
Leap Years
22nd
48th
Lucky Numbers
8th
Morse Decoder
4th
Morse Encoder
4th
Niven Numbers
27th
41st
Niven Numbers (Long)
16th
24th
Number Spiral
7th
Odious Numbers
21st
53rd
49th
Odious Numbers (Long)
21st
49th
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
47th
83rd
Prime Numbers (Long)
11th
45th
33rd
Quine
57th
Recamán
13th
Rijndael S-box
6th
Roman to Arabic
8th
Rule 110
5th
Seven Segment
6th
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
9th