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A257185 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I #4 Apr 17 2015 22:03:33

%S 39891,220126,1488364,12941212,108242033,895883809,7678171235,

%T 65710359362,559193489019,4764744316836,40680177824834,

%U 346959411145637,2959165274950812,25242372423278445,215334362798793752

%N Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Column 4 of A257189

%H R. H. Hardin, <a href="/A257185/b257185.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%Y Cf. A257189

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 17 2015

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Last modified April 16 12:05 EDT 2024. Contains 371711 sequences. (Running on oeis4.)