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%I #4 Mar 31 2013 14:23:50
%S 8,64,357,1536,5471,16885,46586,117510,275557,608423,1277544,2571226,
%T 4991541,9394324,17211567,30799955,53979914,92858530,157069847,
%U 261620888,429605663,696147855,1114062432,1761895136,2755216271,4262322913
%N Number of 7Xn 0..1 arrays with rows and antidiagonals unimodal and columns nondecreasing
%C Row 7 of A224146
%H R. H. Hardin, <a href="/A224151/b224151.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = (1/87178291200)*n^14 + (1/4151347200)*n^13 + (1/136857600)*n^12 + (19/106444800)*n^11 + (53/12441600)*n^10 + (121/1382400)*n^9 + (1007857/609638400)*n^8 + (427321/29030400)*n^7 + (5519/62208)*n^6 + (217709/604800)*n^5 + (8736011/8553600)*n^4 + (1790117/950400)*n^3 + (90367957/37837800)*n^2 + (49717/40040)*n + 1
%e Some solutions for n=3
%e ..0..0..0....0..0..0....0..0..0....1..1..0....0..0..0....1..1..1....0..1..0
%e ..0..1..0....0..0..0....0..0..0....1..1..1....0..1..0....1..1..1....0..1..0
%e ..0..1..0....0..1..0....0..0..0....1..1..1....0..1..0....1..1..1....0..1..1
%e ..0..1..0....0..1..1....0..0..0....1..1..1....0..1..0....1..1..1....0..1..1
%e ..0..1..1....0..1..1....0..1..1....1..1..1....1..1..0....1..1..1....1..1..1
%e ..0..1..1....0..1..1....0..1..1....1..1..1....1..1..0....1..1..1....1..1..1
%e ..1..1..1....1..1..1....0..1..1....1..1..1....1..1..1....1..1..1....1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 31 2013
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