%I #8 Nov 25 2015 08:14:26
%S 1,1,7,2966,1310397193,579823814813639193,
%T 477464341236883456112705749206,
%U 1340767144321669800049265230788088027597024910,21516767919669856366796245458194341840929552797762722429430679631
%N Number of colorings of an n X n grid with any number of interchangeable colors under rotational and reflectional symmetry.
%D F. Harary and E. Palmer, Graphical Enumeration, Academic Press, 1973.
%H Math StackExchange, <a href="http://math.stackexchange.com/questions/1540602/">A 4 x 4 grid of squares.</a>
%H Marko Riedel, <a href="/A264787/a264787.maple.txt">Maple code for Power Group Enumeration.</a>
%Y Cf. A182044, A264741, A264742, A264743.
%K nonn
%O 0,3
%A _Marko Riedel_, Nov 24 2015