%I #5 Sep 17 2023 21:33:58
%S 49,1849,1671849,24011671849,408646172724011671849,
%T 14079962896835441528408646172724011671849,
%U 30988070410883251650062468506470600085614079962896835441528408646172724011671849
%N a(1) = 49; for n > 1, a(n) is the smallest square > a(n-1) with a(n-1) forming its final digits.
%C a(n) = A050638(n+1) for n >= 1.
%Y Cf. A050634, A050638, A065689, A065786, A065787.
%K base,nonn
%O 1,1
%A _Klaus Brockhaus_, Nov 19 2001