A235571 Number of (n+1)X(6+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise

2866, 71710, 2000524, 63238254, 2119256572, 70251672970, 2203799654900, 64128617114034, 1724826332820910, 43023210887485066, 1001647756295348774, 21914082439957425818, 453491212799910229890, 8928317119133544527332

Offset

1,1

Comments

Column 6 of A235573

Links

R. H. Hardin, Table of n, a(n) for n = 1..68

Example

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

Crossrefs

Sequence in context: A192087 A286007 A235960 * A327376 A254587 A254580

Adjacent sequences: A235568 A235569 A235570 * A235572 A235573 A235574

Keyword

nonn

Author

R. H. Hardin, Jan 12 2014

Status

approved