1,1

The first 0 term is a(101): there is no square that ends in "101X".

Table of n, a(n) for n=1..44.

Sequence in context: A235717 A319388 A291334 * A030666 A030676 A264604

Adjacent sequences: A175686 A175687 A175688 * A175690 A175691 A175692

base,nonn

Claudio Meller, Aug 09 2010

approved