%I #8 Oct 15 2019 11:57:12
%S 2,7,222,70203,22200137858,2220013785800000000001,
%T 7020300000101169666284501016647428364760574,
%U 22200137858000000000010000000000000000000001726952547826525063393038550959517040374473
%N a(n+1)^2 is next smallest nontrivial square beginning with a(n)^2, initial square is 4.
%C Next terms are 171 and 343 digits long.
%Y Cf. A048559.
%K nonn,base
%O 0,1
%A _Patrick De Geest_, May 15 1999
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