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A068258 1/8 the number of colorings of an n X n square array with 8 colors.

%I A068258 #16 Sep 23 2019 06:27:06
%S A068258 1,301,3418807,1465295106499,23698346512668445387,
%T A068258 14462834689097706163375677127,
%U A068258 333066712033498255371201983520013525951,289435280548175417311368841643540798029239265418611,9491047284937011500293532002379383630495589849878668222747216079
%N A068258 1/8 the number of colorings of an n X n square array with 8 colors.
%H A068258 Jean-François Alcover, <a href="/A068258/b068258.txt">Table of n, a(n) for n = 1..12</a>
%t A068258 A222462 = Cases[Import["https://oeis.org/A222462/b222462.txt", "Table"], {_, _}][[All, 2]];
%t A068258 a[n_] := A222462[[2 n^2 - 2 n + 1]];
%t A068258 Table[a[n], {n, 1, 12}] (* _Jean-François Alcover_, Sep 23 2019 *)
%Y A068258 Main diagonal of A222462.
%Y A068258 Cf. A068239-A068305, A000332, A002417, A027441, A182368, A182406.
%K A068258 nonn
%O A068258 1,2
%A A068258 _R. H. Hardin_, Feb 24 2002
%E A068258 a(6)-a(9) from _Alois P. Heinz_, Apr 27 2012