A254994 Number of (n+2) X (4+2) 0..1 arrays with every 3 X 3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally and vertically.

44548, 369357, 3575520, 32507240, 279655310, 2437254993, 21345394571, 185809115750, 1614349898421, 14028975772659, 121909383066134, 1059107018758027, 9199487443963934, 79896505182395084, 693854757988252184

Offset

1,1

Comments

Column 4 of A254998.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=1
..0..0..0..0..1..1....1..1..1..1..1..0....0..0..0..1..1..0....0..1..0..0..0..1
..0..1..0..0..0..0....1..1..1..1..1..1....1..0..0..1..1..1....0..1..0..0..1..0
..0..0..0..0..0..0....1..1..0..1..0..0....0..0..0..1..1..0....0..0..1..0..1..0

Crossrefs

Cf. A254998.

Sequence in context: A194355 A258514 A258507 * A295480 A206166 A206380

Adjacent sequences: A254991 A254992 A254993 * A254995 A254996 A254997

Keyword

nonn

Author

R. H. Hardin, Feb 11 2015

Status

approved