1,1

a(1)=10, a(2)=90, a(n)=a(n-1)*10 for n>2

a(n)=A052268(n), n>1. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 02 2008]

Sequence in context: A061206 A137684 A097394 this_sequence A046706 A116348 A043088

Adjacent sequences: A063942 A063943 A063944 this_sequence A063946 A063947 A063948

base,easy,nonn

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Sep 01 2001