A235762 Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise

988, 15197, 242684, 3328260, 44717902, 548550245, 6523068739, 73498947702, 803300615533, 8465670858075, 86820746667822, 865850679451314, 8430340040724445, 80193411242404120, 746856847280301271

Offset

1,1

Comments

Column 5 of A235765

Links

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

Example

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

Crossrefs

Sequence in context: A250490 A258552 A258559 * A235545 A232429 A232844

Adjacent sequences: A235759 A235760 A235761 * A235763 A235764 A235765

Keyword

nonn

Author

R. H. Hardin, Jan 15 2014

Status

approved