1,2

A027746(n) divides a(n), a(n)=A027746(n) iff a(n) is prime; a(A022559(n)+1)=n.

A000040(A112798(n)) is a prime factor of a(n) for n>1. - Reinhard Zumkeller, Feb 03 2008

Table of n, a(n) for n=1..74.

Cf. A082287.

Sequence in context: A303735 A187103 A080444 * A305397 A316627 A099801

Adjacent sequences: A082285 A082286 A082287 * A082289 A082290 A082291

nonn

Reinhard Zumkeller, Apr 07 2003

approved