12 Days of Christmas
26th12th
99 Bottles of Beer
8th6th
Abundant Numbers
30th21st
Arabic to Roman
33rd
brainfuck
13th
Christmas Trees
12th10th
Diamonds
30th11th
Divisors
19th14th
Emirp Numbers
36th19th
Evil Numbers
16th12th
Fibonacci
1st16th
Fizz Buzz
1st28th
Happy Numbers
37th21st
Leap Years
6th10th
Look and Say
15th
Morse Decoder
19th
Morse Encoder
14th
Niven Numbers
1st22nd
Odious Numbers
46th12th
Ordinal Numbers
6th
Pangram Grep
105th8th
Pascal’s Triangle
34th21st
Pernicious Numbers
58th32nd
Prime Numbers
1st30th
Quine
104th34th
Roman to Arabic
35th
Rule 110
22nd
Seven Segment
24th
Sierpiński Triangle
52nd16th
Spelling Numbers
7th
λ
9th16th
π
47th1st
τ
34th1st
φ
1st48th
√2
1st1st
𝑒
1st1st