A048558 - OEIS

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A048558

a(n+1)^2 is next smallest nontrivial square beginning with a(n)^2, initial square is 1.

%I #7 Jan 20 2017 19:56:05

%S 1,4,13,412,130286,41200050724,4120005072400000000001,

%T 41200050724000000000010000000000000000000001,

%U 4120005072400000000001000000000000000000000100000000000000000000000000000000000000000001

%N a(n+1)^2 is next smallest nontrivial square beginning with a(n)^2, initial square is 1.

%C Next terms are 176 and 351 digits long.

%Y Cf. A048557.

%K nonn,base

%O 0,2

%A _Patrick De Geest_, May 15 1999