A202897 Number of (n+2)X9 binary arrays avoiding patterns 001 and 010 in rows, columns and nw-to-se diagonals.

46270, 518500, 7994866, 109801091, 1420515543, 18894802636, 251440992886, 3312356387937, 43639603596020, 575552626633363, 7582782570210296, 99855613120777677, 1315138193425117085, 17319877110051433700

Offset

1,1

Links

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

Example

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

Crossrefs

Column 7 of A202898.

Sequence in context: A361035 A190882 A251278 * A185518 A230237 A175170

Adjacent sequences: A202894 A202895 A202896 * A202898 A202899 A202900

Keyword

nonn

Author

R. H. Hardin, Dec 25 2011

Status

approved