12 Days of Christmas
6th
99 Bottles of Beer
8th
Abundant Numbers
13th
30th
Abundant Numbers (Long)
12th
20th
Arabic to Roman
6th
Arithmetic Numbers
11th
Arrows
3rd
Ascending Primes
6th
ASCII Table
13th
Billiards
4th
Card Number Validation
7th
Catalan Numbers
6th
20th
Catalan’s Constant
6th
Christmas Trees
9th
Collatz
21st
26th
Cubes
3rd
Day of Week
18th
Diamonds
9th
Divisors
13th
Emirp Numbers
10th
48th
Emirp Numbers (Long)
7th
19th
Emojify
6th
Evil Numbers
18th
49th
47th
Evil Numbers (Long)
19th
43rd
21st
Factorial Factorisation
10th
Farey Sequence
11th
Fibonacci
50th45th
43rd
128th
Fizz Buzz
16th32nd563rd470th303rd59th54th59th59th37th208th41st1,887th72nd
Foo Fizz Buzz Bar
17th
22nd
Fractions
17th
Happy Numbers
18th
26th
Happy Numbers (Long)
15th
16th
Intersection
8th
ISBN
13th
Jacobi Symbol
7th
Kolakoski Constant
6th
Leap Years
18th
48th
Lucky Numbers
7th
Morse Decoder
4th
Morse Encoder
3rd
Niven Numbers
24th
43rd
Niven Numbers (Long)
15th
23rd
Number Spiral
6th
Odious Numbers
19th
48th
48th
Odious Numbers (Long)
20th
44th
21st
Ordinal Numbers
13th
PalindromemordnilaP
2nd
Pangram Grep
10th
Pascal’s Triangle
7th
Pernicious Numbers
25th
57th
Pernicious Numbers (Long)
9th
20th
Prime Numbers
15th
38th
81st
Prime Numbers (Long)
9th
37th
31st
Quine
54th
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
12th
τ
10th