A060497 a(n) = binomial(2^n, prime(n)).

1, 4, 56, 11440, 129024480, 13136858812224, 614965786737727286400, 23665616042362569982121184000, 4818341997044953599090397918009939136000, 150781781287041846344613980638793530715139659227762775040

Offset: 1

Author

Labos Elemer, Apr 11 2001

Keywords

• easy
• nonn

Examples

			n = 4, a(4) = binomial(16,7) = binomial(2^4, p(4)) = 11440.
		

Links

• Harry J. Smith, Table of n, a(n) for n = 1..31

Crossrefs

Cf. A014070, A006516.

Programs

PARI

a(n) = { binomial(2^n, prime(n)) } \\ Harry J. Smith, Jul 06 2009