A235545 Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise

988, 17658, 429443, 9618173, 229990437, 4902247081, 99992110087, 1844719926176, 31896122665112, 509962551465235, 7677165540339722, 108748418549947621, 1463930492980910949, 18776966394074591213, 230866934864995304342

Offset

1,1

Comments

Column 5 of A235548

Links

R. H. Hardin, Table of n, a(n) for n = 1..180

Example

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

Crossrefs

Sequence in context: A258552 A258559 A235762 * A232429 A232844 A057668

Adjacent sequences: A235542 A235543 A235544 * A235546 A235547 A235548

Keyword

nonn

Author

R. H. Hardin, Jan 12 2014

Status

approved