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%I #5 Mar 31 2012 12:36:15
%S 21,456320,1070959431,5025023852501,19568579061640704,
%T 81032653651506521333,330453235652954061843137,
%U 1355117057188899341581651072,5550437831744113835993347187363
%N Number of nX7 array permutations with each element making zero or one king moves
%C Column 7 of A189254
%H R. H. Hardin, <a href="/A189252/b189252.txt">Table of n, a(n) for n = 1..42</a>
%e Some solutions for 3X7
%e ..0..1..2..9..3..4..5....0..1..2..9..3..4..5....0..1..2..9..3..4..5
%e .15.16.10.11.18.13..6...14..8.15.11.19.12..6...14.16..8.18.11..6.19
%e .14..7..8.17.12.19.20....7.16.17.10.18.13.20....7.15.10.17.12.20.13
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 19 2011
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