A092503 a(n) = n^floor(n/2).

1, 1, 2, 3, 16, 25, 216, 343, 4096, 6561, 100000, 161051, 2985984, 4826809, 105413504, 170859375, 4294967296, 6975757441, 198359290368, 322687697779, 10240000000000, 16679880978201, 584318301411328

Offset

0,3

Links

Harry J. Smith, Table of n, a(n) for n = 0..500

Formula

a(n) = n^((n-(1-(-1)^n)/2)/2). - Wesley Ivan Hurt, Mar 19 2015

Prog

(PARI) a(n) = { n^(n\2) } \\ Harry J. Smith, Jun 21 2009

Crossrefs

Cf. A000312 (n^n), A078707 (n^ceiling(n/2)).

Sequence in context: A067037 A117926 A185251 * A147662 A074182 A074759

Adjacent sequences: A092500 A092501 A092502 * A092504 A092505 A092506

Keyword

nonn

Author

Reinhard Zumkeller, Apr 05 2004

Status

approved