A235658 Number of (n+1)X(6+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

4020, 126926, 4396769, 156257766, 5711803299, 206989047143, 7311691586871, 247906183652487, 8030471581876202, 248047390200685191, 7319420147397701790, 206847552062839909853, 5617674845867098061580, 147109594075869595741997

Offset

1,1

Comments

Column 6 of A235660

Links

R. H. Hardin, Table of n, a(n) for n = 1..97

Example

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

Crossrefs

Sequence in context: A099229 A205889 A236521 * A186530 A124728 A251098

Adjacent sequences: A235655 A235656 A235657 * A235659 A235660 A235661

Keyword

nonn

Author

R. H. Hardin, Jan 13 2014

Status

approved