A253540 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nonincreasing horizontally and nondecreasing vertically.

119040, 2801200, 57759744, 1181976144, 23704397056, 477165435664, 9486518960384, 188451522370576, 3732858158990080, 73987009453198864, 1464904274903846656, 29002521973804404240, 573819830026216281344

Offset

1,1

Comments

Column 4 of A253544

Links

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

R. H. Hardin, Empirical recurrence of order 86

Formula

Empirical recurrence of order 86 (see link above)

Example

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

Crossrefs

Sequence in context: A250829 A253867 A253874 * A157736 A031686 A262510

Adjacent sequences: A253537 A253538 A253539 * A253541 A253542 A253543

Keyword

nonn

Author

R. H. Hardin, Jan 03 2015

Status

approved