Abundant Numbers
41st
Abundant Numbers (Long)
8th
Catalan Numbers
155th
Collatz
8th
Divisors
1st
Evil Numbers
324th
Evil Numbers (Long)
218th
Factorial Factorisation
31st
Fibonacci
191st
Fizz Buzz
60th
Fractions
191st
Jacobi Symbol
28th
Look and Say
88th
Odious Numbers
159th
Odious Numbers (Long)
113th
Pascal’s Triangle
86th
Pernicious Numbers
237th
Pernicious Numbers (Long)
71st
Prime Numbers
262nd
Prime Numbers (Long)
56th
Quine
76th
𝑒
98th