A137701 a(n) = semiprime(n)^prime(n).

16, 216, 59049, 10000000, 4049565169664, 1946195068359375, 30041942495081691894741, 32064977213018365645815808, 142108547152020037174224853515625, 108199957741720996894562347292921981566976, 118558347188026655500106547231096910504441858017

Offset: 1

Author

Jonathan Vos Post, Apr 27 2008

Keywords

• easy
• nonn
• less

Examples

			a(1) = Semiprime(1)^prime(1) = 4^2 = 16.
a(2) = Semiprime(2)^prime(2) = 6^3 = 216.
a(3) = Semiprime(3)^prime(3) = 9^5 = 59049.
a(4) = Semiprime(4)^prime(4) = 10^7 = 10000000.
		

Crossrefs

Cf. A000040, A001358, A051674, A114850, A111096.

Formula

a(n) = A001358(n)^A000040(n).