A064703 Smallest lucky number that is the product of n lucky numbers.

3, 9, 63, 189, 729, 729, 2187, 35721, 45927, 413343, 413343, 2657205, 3720087, 4782969, 33480783, 100442349, 387420489, 387420489, 1162261467

Offset: 1

Author

Sascha Kurz, Oct 13 2001

Keywords

• nonn

Examples

			a(5)=729 because 3^4*9=729, a(6)=729 because 3^6=729.
		

Crossrefs

Cf. A000959, A057616.