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A257207 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally and vertically 1

%I #4 Apr 18 2015 08:23:16

%S 219706,443711,411303,753005,640929,516615,675943,769789,876597,

%T 1089188,1305183,1551382,1851722,2195415,2590158,3029318,3516086,

%U 4063777,4672716,5347330,6075568,6871137,7747708,8708189,9740806,10853545,12070515

%N Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally and vertically

%C Column 6 of A257209

%H R. H. Hardin, <a href="/A257207/b257207.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..0..0..0..1..1..1..0....0..1..0..0..1..1..0..0....0..0..0..1..1..1..0..1

%e ..0..0..1..0..0..1..1..1....1..1..1..0..1..1..1..1....0..0..0..0..0..1..1..0

%e ..0..0..1..0..0..1..0..0....0..0..1..0..1..1..1..1....1..1..0..0..1..0..0..1

%Y Cf. A257209

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 18 2015

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Last modified May 6 21:30 EDT 2024. Contains 372297 sequences. (Running on oeis4.)