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%I #5 Mar 31 2012 12:36:54
%S 1,1,1,1,9,1,1,63,63,1,1,323,1233,323,1,1,1629,16854,16854,1629,1,1,
%T 8534,239196,595202,239196,8534,1,1,44885,3557168,21925060,21925060,
%U 3557168,44885,1,1,234728,52328419,838636921,2075667829,838636921,52328419
%N T(n,k)=Number of nXk 0..2 arrays with every nonzero element less than or equal to some NW, E or S neighbor
%C Table starts
%C .1......1.........1.............1................1...................1
%C .1......9........63...........323.............1629................8534
%C .1.....63......1233.........16854...........239196.............3557168
%C .1....323.....16854........595202.........21925060...........838636921
%C .1...1629....239196......21925060.......2075667829........206497187067
%C .1...8534...3557168.....838636921.....206497187067......54374200726981
%C .1..44885..52328419...31806596079...20459663726506...14227778139316647
%C .1.234728.764541713.1202034287472.2017022464973722.3693790499807299502
%H R. H. Hardin, <a href="/A202988/b202988.txt">Table of n, a(n) for n = 1..220</a>
%e Some solutions for n=4 k=3
%e ..1..0..2....0..1..1....0..1..1....1..1..1....0..0..0....1..1..1....1..1..2
%e ..1..2..2....2..2..2....2..2..1....0..0..2....0..2..2....2..2..2....2..2..2
%e ..2..2..2....0..2..2....2..2..2....0..2..2....0..2..2....0..2..2....2..2..2
%e ..1..1..0....0..0..0....2..2..2....1..2..2....2..2..2....0..0..2....0..0..2
%K nonn,tabl
%O 1,5
%A _R. H. Hardin_ Dec 26 2011
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