A251166 Number of (n+1)X(7+1) 0..3 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements

1201970, 35120036, 572903455, 9109822648, 151628039982, 2775154020785, 50643184293432, 884193931380840, 15412403397724456, 275973258608220950, 4974725406199206160, 88634045953384779534, 1572295392290862280078

Offset

1,1

Comments

Column 7 of A251167

Links

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

Example

Some solutions for n=1
..0..0..2..0..3..0..1..1....0..0..3..3..0..1..3..3....0..0..3..0..1..3..0..1
..2..0..2..0..3..0..0..1....2..2..0..3..3..1..0..0....0..0..3..2..0..3..3..0

Crossrefs

Sequence in context: A112129 A102336 A234479 * A274833 A206042 A092696

Adjacent sequences: A251163 A251164 A251165 * A251167 A251168 A251169

Keyword

nonn

Author

R. H. Hardin, Nov 30 2014

Status

approved