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, 952809757913927, 36520347436056576, 59604644775390625

Offset: 0

Author

Reinhard Zumkeller, Apr 05 2004

Keywords

• nonn

Links

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

Crossrefs

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

Programs

PARI

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

Formula

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