A253349 Number of (n+1)X(7+1) 0..1 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

6740, 263920, 8338384, 294030700, 9895936900, 340810754556, 11626813328444, 398491692466316, 13631934723486700, 466761645200764492, 15976114687899288396, 546922778184182100684, 18721874331340866356044

Offset

1,1

Comments

Column 7 of A253350

Links

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

R. H. Hardin, Empirical recurrence of order 84

Formula

Empirical recurrence of order 84 (see link above)

Example

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

Crossrefs

Sequence in context: A345591 A345849 A253230 * A253356 A204615 A204799

Adjacent sequences: A253346 A253347 A253348 * A253350 A253351 A253352

Keyword

nonn

Author

R. H. Hardin, Dec 30 2014

Status

approved