1,1

Table of n, a(n) for n=1..61.

Eric Weisstein's World of Mathematics, Antisquare Number.

135 = 5*3^3 is antisquare.

Sequence in context: A315266 A315267 A157937 * A315268 A315269 A315270

Adjacent sequences: A080252 A080253 A080254 * A080256 A080257 A080258

nonn

David W. Wilson, Feb 10 2003

approved