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%I #7 Mar 08 2018 02:47:34
%S 1,8,3,52,29,272,901,73124,89893
%N Main diagonal of A256045: order of all-2s configuration on the n X n sandpile grid graph.
%H Laura Florescu, Daniela Morar, David Perkinson, Nicholas Salter, Tianyuan Xu, <a href="http://www.combinatorics.org/ojs/index.php/eljc/article/view/v22i1p66">Sandpiles and Dominos</a>, Electronic Journal of Combinatorics, Volume 22(1), 2015.
%Y Cf. A256043, A256045, A256047.
%K nonn,more
%O 2,2
%A _N. J. A. Sloane_, Mar 15 2015
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