12 Days of Christmas
7th
99 Bottles of Beer
77th
Abundant Numbers
60th
Abundant Numbers (Long)
Arithmetic Numbers
43rd
Christmas Trees
18th
Cubes
11th
Divisors
14th
4th
Fibonacci
47th12th42nd131st143rd21st60th56th186th
Fizz Buzz
20th
31st
Foo Fizz Buzz Bar
31st
Fractions
27th
Hexdump
29th
ISBN
10th
Leap Years
54th
Medal Tally
15th
3rd
Pangram Grep
70th
Pascal’s Triangle
31st
13th
Prime Numbers
108th
Quine
24th
72nd
Seven Segment
23rd
Tongue-twisters
18th
Vampire Numbers
18th