A230988 Number of white square subarrays of (n+1)X(7+1) binary arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with upper left element zero

13, 57, 332, 1573, 8357, 43004, 223270, 1168723, 6098749, 31928221, 167211867, 875862454, 4590346691, 24059996616, 126124391879, 661229366397, 3466736635802, 18176404398121, 95303022729314, 499702347782465

Offset

1,1

Comments

Column 7 of A230989

Links

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

Example

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

Crossrefs

Sequence in context: A147384 A147011 A147019 * A183317 A365749 A055833

Adjacent sequences: A230985 A230986 A230987 * A230989 A230990 A230991

Keyword

nonn

Author

R. H. Hardin, Nov 02 2013

Status

approved