Abundant Numbers
Abundant Numbers (Long)
Collatz
794
768
Divisors
773
741
Evil Numbers
Evil Numbers (Long)
Fibonacci
843
880
Leap Years
Leyland Numbers
Medal Tally
Niven Numbers
656
735
Niven Numbers (Long)
Odious Numbers
Odious Numbers (Long)
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
Prime Numbers (Long)
Recamán
826
880
627
Reverse Polish Notation