A235570 Number of (n+1)X(5+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

1076, 18606, 336836, 6353336, 118826310, 2119256572, 35394045432, 551086363442, 8029786206898, 110154213330742, 1432552935758792, 17772883732667624, 211553556610478836, 2427824437884795972, 26977060677142323628

Offset

1,1

Comments

Column 5 of A235573

Links

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

Example

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

Crossrefs

Sequence in context: A336781 A237213 A235959 * A278652 A235084 A274234

Adjacent sequences: A235567 A235568 A235569 * A235571 A235572 A235573

Keyword

nonn

Author

R. H. Hardin, Jan 12 2014

Status

approved