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%I M5415 #19 Feb 05 2014 08:33:46
%S 1,236,32675,4638576,681728204,102283239429,15513067188008,
%T 2365714170297014,361749878496079778,55391169255983979555,
%U 8487168277379774266411,1300854247070195164448395,199418506963731877069653608,30572953033472980838613625389
%N Number of Hamiltonian circuits on 2n X 8 rectangle.
%C Bisection (even part) of A145418. - _Joerg Arndt_, Feb 05 2014
%D T. G. Schmalz, G. E. Hite and D. J. Klein, Compact self-avoiding circuits on two-dimensional lattices, J. Phys. A 17 (1984), 445-453.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H Alois P. Heinz, <a href="/A005391/b005391.txt">Table of n, a(n) for n = 1..200</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/HamiltonianCycle.html">Hamiltonian Cycle</a>
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Hamiltonian_circuit">Hamiltonian circuit</a>
%K nonn
%O 1,2
%A _N. J. A. Sloane_.
%E More terms from _Alois P. Heinz_, Feb 05 2014
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