A254455 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally and vertically

1511152, 48345120, 1621936236, 48236381800, 1361600709160, 37859718002056, 1041397026476012, 28507415268662616, 779944689953699120, 21337775023347609896, 583732130351416160872, 15969189842148957483904

Offset

1,1

Comments

Column 6 of A254457

Links

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

Example

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

Crossrefs

Sequence in context: A210018 A254173 A254166 * A177004 A346674 A236154

Adjacent sequences: A254452 A254453 A254454 * A254456 A254457 A254458

Keyword

nonn

Author

R. H. Hardin, Jan 30 2015

Status

approved