1,2

Table of n, a(n) for n=1..15.

a(3) = 169; the smallest square obtained by inserting digits in it is 1369 hence a(4) = 1369.

A091874 gives square roots.

Sequence in context: A017210 A283574 A067711 * A238976 A242078 A264092

Adjacent sequences: A068172 A068173 A068174 * A068176 A068177 A068178

base,nonn

Amarnath Murthy, Feb 25 2002

Corrected and extended by Ray Chandler, Oct 11 2003

approved