A254585 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and the central column and the two maximums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally

6117882, 94299759, 2634910318, 62363902283, 1378994189975, 31939816150372, 738710766470176, 16985478016933272, 391280419966057452, 9016311605803392528, 207691702762517798308, 4784457962135643192314

Offset

1,1

Comments

Column 7 of A254586

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..1..1....0..0..0..0..1..0..1..0..1
..1..0..0..0..0..0..1..0..1....0..0..0..0..1..0..1..1..1
..1..0..0..1..1..0..1..1..1....0..0..0..0..0..1..1..1..1

Crossrefs

Sequence in context: A204497 A258608 A237896 * A254592 A254360 A224640

Adjacent sequences: A254582 A254583 A254584 * A254586 A254587 A254588

Keyword

nonn

Author

R. H. Hardin, Feb 01 2015

Status

approved