A251282 Number of (n+1)X(7+1) 0..3 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element

1861511440, 54091113672192, 1571357864513534615, 45639971417777166667264, 1325586647325359897634213120, 38500708396868195909229905732096, 1118224116880857883546078105623321344

Offset

1,1

Comments

Column 7 of A251283

Links

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

Example

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

Crossrefs

Sequence in context: A256123 A251401 A325900 * A015429 A263562 A204813

Adjacent sequences: A251279 A251280 A251281 * A251283 A251284 A251285

Keyword

nonn

Author

R. H. Hardin, Dec 01 2014

Status

approved