Abundant Numbers (Long)
44th
Ascending Primes
28th
Collatz
38th
Diamonds
41st
Emirp Numbers
44th
Factorial Factorisation
22nd
Fizz Buzz
145th
Foo Fizz Buzz Bar
41st
Intersection
24th
ISBN
28th
Leyland Numbers
8th40th
Mandelbrot
17th
Niven Numbers
82nd
Partition Numbers
27th
Pernicious Numbers (Long)
35th
Reverse Polish Notation
17th
Time Distance
21st
Tower of Hanoi
22nd
Trinomial Triangle
20th
√2
35th
𝑒
19th