A201381 Number of nX5 0..1 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other

2, 9, 115, 483, 7148, 24779, 295813, 804538, 7711613, 17135660, 137991357, 261853930, 1838296465, 3078156753, 19352193027, 29273561002, 168059197372, 233637796573, 1242746736360, 1608517392555, 8015798428649, 9756858004272

Offset

1,1

Comments

Column 5 of A201384

Links

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

Example

Some solutions for n=6
..0..0..0..1..1....0..0..0..1..1....0..0..0..0..1....0..0..0..1..1
..0..0..1..0..0....0..0..1..0..1....0..0..1..1..1....0..0..1..0..0
..0..0..1..0..1....0..1..0..1..0....0..1..0..0..1....0..0..1..0..1
..0..1..1..1..1....0..1..1..1..1....1..1..0..0..0....0..1..1..1..1
..1..0..1..0..1....1..0..1..0..0....1..1..0..1..0....1..0..0..0..0
..1..1..0..1..0....1..1..1..0..0....1..1..0..1..1....1..1..1..1..1

Crossrefs

Sequence in context: A008269 A039718 A307249 * A075538 A067965 A237999

Adjacent sequences: A201378 A201379 A201380 * A201382 A201383 A201384

Keyword

nonn

Author

R. H. Hardin Nov 30 2011

Status

approved