A254511 - OEIS

A254511

Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%I #4 Jan 31 2015 12:56:57

%S 2977462,19754506,346212804,4236936385,52092582762,690528516461,

%T 8348810077730,102608552114625,1257883999628732,15152298811003507,

%U 182056109152149032,2177240054350783580,25897273186842012214

%N Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Column 7 of A254512

%H R. H. Hardin, <a href="/A254511/b254511.txt">Table of n, a(n) for n = 1..96</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 31 2015