A253960 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

11244672, 405335284, 18766879524, 842101547904, 37588952737932, 1719031661674233, 78151552269875720, 3549418694203062073, 161337272008147699916, 7335058496875930084581, 333362608254342109893112

Offset

1,1

Comments

Column 7 of A253961

Links

R. H. Hardin, Table of n, a(n) for n = 1..27

Example

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

Crossrefs

Sequence in context: A201253 A273879 A321506 * A253967 A253763 A331359

Adjacent sequences: A253957 A253958 A253959 * A253961 A253962 A253963

Keyword

nonn

Author

R. H. Hardin, Jan 20 2015

Status

approved