A068210 n-th prime's factorial raised to n-th prime power.

4, 216, 24883200000, 82606411253903523840000000, 409933016554924328182440935903164918932547530146724293451448320000000000000000000000

Offset: 1

Author

Rick L. Shepherd, Mar 24 2002

Keywords

• easy
• nonn

Comments

a(5) through a(10) have this many decimal digits: 84, 128, 248, 325, 516 and 898, respectively.

Examples

			a(3) = 24883200000 because the 3rd prime is 5 and 5!^5 = 120^5 = 24883200000.
		

Programs

PARI

for(n=1,5,print1(prime(n)!^prime(n),","))

Formula

a(n) = (prime(n)!)^prime(n).