12 Days of Christmas
41st
99 Bottles of Beer
127th
Abundant Numbers
56th
Abundant Numbers (Long)
44th
Arabic to Roman
17th13th
Arithmetic Numbers
93rd
ASCII Table
94th
brainfuck
31st
Card Number Validation
27th
Christmas Trees
62nd
Collatz
44th
Day of Week
26th
Divisors
25th
Emirp Numbers
48th
Emirp Numbers (Long)
26th
Evil Numbers
49th57th98th
441st1,297th44th
Evil Numbers (Long)
72nd
Factorial Factorisation
39th
Farey Sequence
37th30th
Fibonacci
4th130th275th
Fizz Buzz
34th73rd
240th
Foo Fizz Buzz Bar
58th
Fractions
56th
Gijswijt’s Sequence
16th
Happy Numbers
46th
Happy Numbers (Long)
59th
Hexdump
39th
Kaprekar Numbers
37th
Kolakoski Constant
21st
Leap Years
142nd
Niven Numbers
110th
Odious Numbers
142nd
Ordinal Numbers
59th
Pernicious Numbers
90th
Pernicious Numbers (Long)
44th
Prime Numbers
29th
Prime Numbers (Long)
39th
Quine
114th
95th
Roman to Arabic
40th
Seven Segment
47th
Tongue-twisters
43rd
159th
United States
24th
Vampire Numbers
15th
Van Eck Sequence
36th
γ
29th
λ
22nd
147th
π
48th
φ
27th