0,1

Table of n, a(n) for n=0..22.

a(0) = 1 + 1 = 2, a(3) = 4*4*6 + 1 = 97.

Cf. A081545.

Sequence in context: A059248 A203006 A143878 * A103511 A254132 A161609

Adjacent sequences: A081543 A081544 A081545 * A081547 A081548 A081549

hard,nonn

Amarnath Murthy, Apr 01 2003

More terms from Michel ten Voorde Jun 13 2003

Added missing term 12289 and a(13)-a(22) from Donovan Johnson, Nov 05 2009

approved