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%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