0,2

a(n)=16a(n-1)-5. Also a(n)=10*A131865(n)+1.

a(n)=(1/3)*(1+2*16^n), with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jun 19 2008

Sequence in context: A157944 A167245 A064182 this_sequence A025758 A141955 A133243

Adjacent sequences: A139789 A139790 A139791 this_sequence A139793 A139794 A139795

nonn

Paul Curtz (bpcrtz(AT)free.fr), May 21 2008