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A050633 a(1)=3; for n>1, a(n)^2 is next smallest nontrivial square containing a(n-1)^2 as a substring. 3

%I

%S 3,7,43,136,10158,85927342,738024797793593

%N a(1)=3; for n>1, a(n)^2 is next smallest nontrivial square containing a(n-1)^2 as a substring.

%F a(n) = sqrt(A050632(n)).

%Y Starting with a(2)=7, the sequence is identical to A050631.

%Y Cf. A050632, A048562, A050639.

%K nonn,base,more

%O 1,1

%A _Patrick De Geest_, Jul 15 1999

%E a(7) from _Max Alekseyev_, Feb 15 2012

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Last modified October 15 21:38 EDT 2021. Contains 348034 sequences. (Running on oeis4.)