12 Days of Christmas
11th
99 Bottles of Beer
14th
Abundant Numbers
50th
26thArabic to Roman
7th
brainfuck
11th
Christmas Trees
65th
CSS Colors
7th
11thCubes
10th
Diamonds
14th
Divisors
26th
Emirp Numbers
12th
Evil Numbers
80th
Fibonacci
102nd
Fizz Buzz
1st
Happy Numbers
14th
Leap Years
14th
14th
12th
1st
17thLeyland Numbers
20th
Look and Say
35th
Lucky Tickets
17th
Morse Encoder
9th
Niven Numbers
50th
23rd
1st
28thOdious Numbers
76th
Pangram Grep
54th
Pascal’s Triangle
58th
Pernicious Numbers
46th
Prime Numbers
86th
Quine
25th
Roman to Arabic
25th
Rule 110
34th
Seven Segment
12th
Sierpiński Triangle
33rd
13thSpelling Numbers
16th
Tongue-twisters
2nd
λ
26th
π
46th
τ
40th
φ
35th
√2
36th
𝑒
40th