A065786 - cp's OEIS frontend

A065786 a(1) = 7; for n > 1, a(n) is the square root of the smallest square > a(n-1)^2 with a(n-1)^2 forming its final digits.

%I A065786 #5 Sep 17 2023 21:36:14
%S A065786 7,43,1293,154957,20214998707,118659019449999845043,
%T A065786 5566692951015284052000000000020214998707,
%U A065786 21637689578064053873124753714430240419600000000000000000000118659019449999845043
%N A065786 a(1) = 7; for n > 1, a(n) is the square root of the smallest square > a(n-1)^2 with a(n-1)^2 forming its final digits.
%C A065786 a(n) = A050639(n+1) for n >= 1.
%Y A065786 Cf. A050635, A050639, A065690, A065785, A065787.
%K A065786 base,nonn
%O A065786 1,1
%A A065786 _Klaus Brockhaus_, Nov 19 2001

cp's OEIS Frontend

A065786 a(1) = 7; for n > 1, a(n) is the square root of the smallest square > a(n-1)^2 with a(n-1)^2 forming its final digits.