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A065789 a(1) = 8; 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. 4

%I #9 Sep 17 2023 21:36:22

%S 8,42,2458,310042,2929997542,1046218875000310042,

%T 406005268741864709999999997070002458,

%U 50376698115810287966925579573179705000000000000000001046218875000310042

%N a(1) = 8; 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 a(n) = A050637(n+1) for n >= 1; a(n) = sqrt(A065788(n)).

%C Essentially the same as A050637. - _Zak Seidov_, Mar 12 2012

%Y Cf. A050635, A050637, A065690, A065788, A065790.

%K base,nonn

%O 1,1

%A _Klaus Brockhaus_, Nov 19 2001

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Last modified April 25 09:49 EDT 2024. Contains 371967 sequences. (Running on oeis4.)