A254816 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically.

221858, 2691838, 37573674, 463784139, 5252066348, 59733054453, 617600165386, 6259013485112, 60421295621544, 566006242948991, 5135305476976656, 45460650492242015, 393319965785264860, 3339873754002581210

Offset

1,1

Comments

Column 5 of A254819

Links

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

Example

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

Crossrefs

Sequence in context: A366824 A254509 A254516 * A373466 A046396 A083640

Adjacent sequences: A254813 A254814 A254815 * A254817 A254818 A254819

Keyword

nonn

Author

R. H. Hardin, Feb 08 2015

Status

approved