12 Days of Christmas
4th
99 Bottles of Beer
7th
Abundant Numbers
19th
Abundant Numbers (Long)
18th
Arithmetic Numbers
30th
Arrows
12th
ASCII Table
29th
brainfuck
5th
Card Number Validation
8th
Catalan’s Constant
7th
Christmas Trees
21st
Collatz
16th
Diamonds
20th
Divisors
1st
Emirp Numbers
21st
Emirp Numbers (Long)
14th
Evil Numbers
18th
Evil Numbers (Long)
5th
Fibonacci
1st
Fizz Buzz
13th
Foo Fizz Buzz Bar
8th
Fractions
19th
Game of Life
13th
Happy Numbers
17th
Happy Numbers (Long)
16th
Inventory Sequence
11th
ISBN
3rd
Kolakoski Constant
4th
Kolakoski Sequence
13th
Leap Years
21st
Leyland Numbers
10th
ln 2
8th
Look and Say
15th
Multitap Input
2nd
Niven Numbers
36th
Odious Numbers
19th
Odious Numbers (Long)
5th
Ordinal Numbers
11th
PalindromemordnilaP
12th
Pangram Grep
21st
Pascal’s Triangle
22nd
Pernicious Numbers
44th
Prime Numbers
27th
Prime Numbers (Long)
31st
Proximity Grid
2nd
Quine
1st
Recamán
17th
Reverse Polish Notation
2nd
ROT13
9th
Rule 110
14th
Scrambled Sort
5th
Spelling Numbers
4th
Tic-tac-toe
3rd
Transpose Sentence
3rd
United States
9th
Van Eck Sequence
1st
γ
4th
λ
8th
π
11th
τ
10th
φ
12th
√2
10th
𝑒
13th