A065777 - OEIS

A065777

a(1) = 4; 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 #7 Sep 17 2023 21:36:18

%S 4,46,2454,314954,4492502454,8866500849999685046,

%T 4716968811408150949999999995507497546,

%U 8302295225692406203256091732061577875000000000000000008866500849999685046

%N a(1) = 4; 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.

%Y Cf. A050635, A065690, A065776, A065778.

%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