Arithmetic Numbers
24th
Ascending Primes
28th
ASCII Table
34th
Christmas Trees
25th
Collatz
31st
Day of Week
1st
Diamonds
30th
Factorial Factorisation
19th
Fibonacci
91st
Fizz Buzz
154th
Fractions
1st
Leap Years
91st
Prime Numbers
95th
ROT13
27th
Sierpiński Triangle
35th
Tower of Hanoi
17th
Transpose Sentence
14th