A235177 a(n) is a refactorable number and the sum of all refactorable numbers <= a(n) is also a refactorable number.

1, 448, 1384, 1520, 2216, 2240, 2264, 2316, 2432, 2488, 2536, 2560, 3280, 3324, 3384, 3420, 3464, 3600, 3712, 3736, 3924, 12392, 12560, 12576, 12664, 12720, 12756, 12780, 12828, 12992, 13044, 13116, 17360, 17432, 18072, 18108, 18336, 18368, 18636, 18664

Offset: 1

Author

Ivan N. Ianakiev, Jan 04 2014

Keywords

• nonn

Examples

			The sum of the terms of A033950 <= 448 equals 9120, which is A033950(616).
		

Links

• Giovanni Resta, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A033950, A235176.

Extensions

a(8)-a(40) from Giovanni Resta, Jan 04 2014