1,2

a(n) is multiplicative and for an odd prime p : a(p) = p + 1 . The number of irreducible representations of G_n is in sequence A062354.

Conjecture: a(2n) = 2*A001615(n). - Ralf Stephan, Mar 26 2004

Table of n, a(n) for n=1..24.

A000252, A062354

Sequence in context: A090346 A267460 A092989 * A235384 A342597 A035280

Adjacent sequences: A065555 A065556 A065557 * A065559 A065560 A065561

nonn

Dan Fux (dan.fux(AT)OpenGaia.com or danfux(AT)OpenGaia.com), Nov 29 2001

approved