Abundant Numbers (Long)
48th
Ascending Primes
33rd
Collatz
43rd
Diamonds
52nd
Emirp Numbers
51st
Factorial Factorisation
32nd
Fizz Buzz
150th
Foo Fizz Buzz Bar
51st
Intersection
29th
ISBN
31st
Leyland Numbers
11th45th
Mandelbrot
21st
Niven Numbers
91st
Partition Numbers
36th
Pernicious Numbers (Long)
42nd
Reverse Polish Notation
20th
Time Distance
24th
Tower of Hanoi
29th
Trinomial Triangle
31st
√2
45th
𝑒
22nd