12 Days of Christmas
5th
brainfuck
4th
Christmas Trees
9th
Divisors
23rd
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
8th
Fractions
1st
Gray Code Encoder
1st
Happy Numbers
1st
Hexdump
5th
Inventory Sequence
1st
Jacobi Symbol
32nd
Kolakoski Sequence
10th
Leap Years
18th
Niven Numbers
21st
Niven Numbers (Long)
1st
Pascal’s Triangle
14th
Pernicious Numbers
1st
Prime Numbers
19th
QR Decoder
9th
Quine
1st
Recamán
1st
Rule 110
6th
Semiprime Numbers
4th
Sphenic Numbers
3rd
π
7th
τ
8th
√2
1st