%I #7 Sep 17 2023 21:32:53
%S 16,21,602,9919,201825782,786148373230451374,
%T 222497947677972243238266280556039145,
%U 689281060145549220555862860288211510118547777224654163905516661857896088
%N a(1) = 16; for n > 1, a(n) is the smallest integer > 0 such that the concatenation a(n)a(n-1)...a(2)a(1) is a square.
%Y Cf. A061359, A065691, A065776, A065777.
%K base,nonn
%O 1,1
%A _Klaus Brockhaus_, Nov 19 2001
%E More terms from Ulrich Schimke (ulrschimke(AT)aol.com), Dec 18 2001