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a(n+1)^2 is next smallest square ending with a(n)^2, initial term is 1.
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%I #6 Oct 15 2019 00:01:45

%S 1,9,41,1209,469959,176270001209,6042408942999999530041,

%T 16385871165869048127200000000000176270001209,

%U 28444329561227422116741433513058707457037799999999999999999999993957591057000000469959

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

%Y Cf. A050634, A048558, A050629.

%K nonn,base

%O 1,2

%A _Patrick De Geest_, Jul 15 1999

%E More terms from Jonathan Cross (jcross(AT)wcox.com), Oct 09 2001