A254726 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally and vertically

689386, 7620738, 138938314, 2224885924, 32722394252, 506044306865, 7806258134979, 118358703000421, 1814886626676510, 27864064535083702, 426993434590939608, 6545841744570147261, 100447043882447183369

Offset

1,1

Comments

Column 6 of A254728

Links

R. H. Hardin, Table of n, a(n) for n = 1..157

Example

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

Crossrefs

Sequence in context: A204788 A254773 A254780 * A068745 A010084 A209735

Adjacent sequences: A254723 A254724 A254725 * A254727 A254728 A254729

Keyword

nonn

Author

R. H. Hardin, Feb 06 2015

Status

approved