A235546 Number of (n+1)X(6+1) 0..1 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise

2482, 67012, 2704866, 108503097, 4902247081, 201871410288, 8016394678681, 287100634818875, 9572600813928528, 292347234944189647, 8326284312075078340, 220860814041431786923, 5514568035476081775900, 129951008690062970506012

Offset

1,1

Comments

Column 6 of A235548

Links

R. H. Hardin, Table of n, a(n) for n = 1..50

Example

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

Crossrefs

Sequence in context: A260766 A003917 A235763 * A214477 A181258 A258442

Adjacent sequences: A235543 A235544 A235545 * A235547 A235548 A235549

Keyword

nonn

Author

R. H. Hardin, Jan 12 2014

Status

approved