Abundant Numbers (Long)
48th
Ascending Primes
33rd
Collatz
42nd
Diamonds
51st
Emirp Numbers
43rd
Factorial Factorisation
31st
Fizz Buzz
150th
Foo Fizz Buzz Bar
48th
Intersection
23rd
ISBN
30th
Leyland Numbers
11th44th
Mandelbrot
21st
Niven Numbers
91st
Partition Numbers
36th
Pernicious Numbers (Long)
42nd
Reverse Polish Notation
17th
Time Distance
22nd
Tower of Hanoi
29th
Trinomial Triangle
30th
√2
45th
𝑒
22nd