12 Days of Christmas
41st
99 Bottles of Beer
50th
Abundant Numbers
51st31st
Abundant Numbers (Long)
44th21st
Arithmetic Numbers
37th17th
Ascending Primes
12th
ASCII Table
24th
brainfuck
14th
Card Number Validation
13th
Christmas Trees
17th
Collatz
29th
Cubes
15th
Day of Week
24th
Diamonds
8th
Divisors
66th12th
Emirp Numbers
27th
Emirp Numbers (Long)
13th
Evil Numbers
29th
Evil Numbers (Long)
20th
Factorial Factorisation
6th
Farey Sequence
16th
Fibonacci
387th200th83rd36th881st
Fizz Buzz
1st46th189th
Foo Fizz Buzz Bar
26th
Fractions
21st
Game of Life
14th
Happy Numbers
34th
Happy Numbers (Long)
20th
Intersection
21st
Inventory Sequence
12th
ISBN
31st
Kaprekar Numbers
11th
Kolakoski Sequence
24th
Leap Years
62nd
Leyland Numbers
19th
Look and Say
23rd
Lucky Numbers
16th
Lucky Tickets
6th
Medal Tally
7th
N Queens
7th
Niven Numbers
26th
Niven Numbers (Long)
20th
Number Spiral
13th
Odious Numbers
30th
Odious Numbers (Long)
15th
Ordinal Numbers
30th
Pangram Grep
26th
Partition Numbers
12th
Pascal’s Triangle
29th
583rd
Pernicious Numbers
49th
Pernicious Numbers (Long)
28th
Prime Numbers
21st
909th
Prime Numbers (Long)
7th
Proximity Grid
13th
Quine
71st1st
813th
Recamán
5th
Reverse Polish Notation
13th
ROT13
11th
Rule 110
13th
Set
8th
Seven Segment
17th
Sierpiński Triangle
25th
Smith Numbers
14th
Tic-tac-toe
10th
Tongue-twisters
23rd
Transpose Sentence
12th
United States
22nd
Van Eck Sequence
10th
π
40th