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%I #27 Oct 30 2024 08:07:00
%S 49,64,81,100,121,144,169,194,221,242,269,294
%N Maximum number of squares covered (i.e., attacked) by 7 independent (i.e., nonattacking) queens on an n X n chessboard.
%C Initial terms computed by _Mia Muessig_.
%F a(19) >= 321, a(20) >= 348.
%Y Column 7 of A376732.
%K nonn,more
%O 7,1
%A _John King_, Sep 09 2024