12 Days of Christmas
21st
99 Bottles of Beer
31st
Abundant Numbers
11th
brainfuck
14th
Christmas Trees
16th
Diamonds
31st
Divisors
1st
Emirp Numbers
10th
Evil Numbers
14th
Fibonacci
1st
Fizz Buzz
11th
Happy Numbers
14th
Leap Years
48th
Morse Decoder
Morse Encoder
12th
Niven Numbers
23rd
Niven Numbers (Long)
15th
Odious Numbers
14th
Ordinal Numbers
8th
Pangram Grep
31st
Pascal’s Triangle
16th
Pernicious Numbers
29th
Prime Numbers
20th211th
Quine
1st
Seven Segment
21st
Sierpiński Triangle
9th
λ
14th
π
39th6th278th
τ
20th5th
φ
16th229th
√2
211th
𝑒
8th135th