A254592 Number of (7+2)X(n+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, 113625185, 2204567802, 49094787979, 1242236438386, 30739517451493, 738710766470176, 17573978066643349, 414123911196490073, 9680320709184095679, 225164393471054024086, 5220345026451776105837

Offset

1,1

Comments

Row 7 of A254586

Links

R. H. Hardin, Table of n, a(n) for n = 1..180

Example

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

Crossrefs

Sequence in context: A258608 A237896 A254585 * A254360 A224640 A185887

Adjacent sequences: A254589 A254590 A254591 * A254593 A254594 A254595

Keyword

nonn

Author

R. H. Hardin, Feb 01 2015

Status

approved