%I
%S 1,4,9,16,25,36,49,68,86,106,128,152,181,216,247,280
%N Maximum number of circles with diameter 1 that can be packed in a square of side length n.
%C For n>5 the sequence terms are only conjectures. For more information see comment given in A084616.
%D See under A084616.
%H M. Goldberg, <a href="http://www.jstor.org/stable/2688107">The packing of equal circles in a square</a>, Math. Mag. 43 (1) (1970), 2430
%H Packomania, <a href="http://www.packomania.com">Packing Circles in a Square</a>.
%Y Cf. A084616, A051657, A023393.
%K more,nonn
%O 1,2
%A _Hugo Pfoertner_, Jun 01 2003
%E More terms from _Sergio Pimentel_, Aug 08 2006
