A254727 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally and vertically

2473062, 35110289, 888613045, 18677147321, 369393588378, 7806258134979, 162482923579610, 3304656484656800, 68234180807839047, 1407909214345447332, 28966343229082316518, 595892676130310285875, 12273674124840163488805

Offset

1,1

Comments

Column 7 of A254728

Links

R. H. Hardin, Table of n, a(n) for n = 1..79

Example

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

Crossrefs

Sequence in context: A205025 A254774 A254781 * A230015 A180705 A286036

Adjacent sequences: A254724 A254725 A254726 * A254728 A254729 A254730

Keyword

nonn

Author

R. H. Hardin, Feb 06 2015

Status

approved