A258508 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 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, vertically and ne-to-sw antidiagonally.

193488, 1679437, 20998652, 236448598, 2402910000, 25984470984, 287984893776, 3137021616326, 34069606919962, 371744675184228, 4057261696793898, 44234414901423785, 482373627717414350, 5261795718025348855

Offset

1,1

Comments

Column 5 of A258511

Links

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

Example

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

Crossrefs

Cf. A258511

Sequence in context: A183753 A236616 A258515 * A254995 A232202 A344630

Adjacent sequences: A258505 A258506 A258507 * A258509 A258510 A258511

Keyword

nonn

Author

R. H. Hardin, Jun 01 2015

Status

approved