%I #8 May 04 2012 15:03:29
%S 1,336,3120768,803828696832,5741675134355623680,
%T 1137328489147110235271041536,6247483084664157761011047760647844608,
%U 951691164013203510495082805169876313498509196032
%N 1/9 the number of colorings of an n X n octagonal array with 9 colors.
%Y Cf. A068239-A068305, A000332, A002417, A027441, A212208, A212209.
%K nonn
%O 1,2
%A _R. H. Hardin_, Feb 24 2002
%E a(6)-a(8) from _Alois P. Heinz_, May 04 2012