0,2

a(0)=0, a(1)=8 and a(n)=34*a(n-1) - a(n-2) + 16.

a(n)=-(1/2)+(1/4)*[17-12*sqrt(2)]^n+(1/4)*[17+12*sqrt(2)]^n , with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Oct 07 2008]

Cf. A007654.

Sequence in context: A060355 A060859 A054607 this_sequence A034977 A065141 A000842

Adjacent sequences: A132589 A132590 A132591 this_sequence A132593 A132594 A132595

nonn

Mohamed Bouhamida (bhmd95(AT)yahoo.fr), Nov 14 2007