A235659 Number of (n+1)X(7+1) 0..1 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise

11520, 550175, 29920256, 1760232169, 111788667635, 7311691586871, 476303656695622, 30073558582073391, 1816505165495056102, 104267586694590459778, 5682110684004293239334, 294299778211572282608127

Offset

1,1

Comments

Column 7 of A235660

Links

R. H. Hardin, Table of n, a(n) for n = 1..16

Example

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

Crossrefs

Sequence in context: A251879 A201048 A236522 * A258564 A258561 A362216

Adjacent sequences: A235656 A235657 A235658 * A235660 A235661 A235662

Keyword

nonn

Author

R. H. Hardin, Jan 13 2014

Status

approved