12 Days of Christmas
181st
99 Bottles of Beer
71st
Abundant Numbers
24th
Arrows
52nd
brainfuck
115th
Christmas Trees
66th
Diamonds
78th
Divisors
128th
Emirp Numbers
58th
Evil Numbers
55th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
30th
Fractions
44th
Happy Numbers
67th
Happy Numbers (Long)
38th
Intersection
39th
ISBN
56th
Kolakoski Sequence
49th
Leap Years
92nd
Levenshtein Distance
28th
Niven Numbers
214th
Odious Numbers
46th
Pascalβs Triangle
59th
Pernicious Numbers
90th
Prime Numbers
139th
Prime Numbers (Long)
70th
Quine
Roman to Arabic
46th
Rule 110
24th