A183473 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A183473

Number of nX8 binary arrays with every element equal to either the sum mod 2 of its vertical neighbors or the sum mod 2 of its horizontal neighbors

19, 872, 13229, 326010, 8501730, 198519483, 4899909637, 121507526212, 2979497367017, 73489774062359, 1813440377196216, 44697344643058766, 1102366528295137327, 27188753392160760574, 670504459729053742994

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 8 of A183474

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..143

EXAMPLE

Some solutions for 4X8

..0..0..0..0..0..1..1..0....0..0..0..0..0..0..0..0....0..0..0..1..0..1..1..0

..0..0..1..1..0..1..0..0....0..1..1..1..0..1..0..1....1..1..0..1..1..0..1..0

..0..0..1..1..0..0..1..0....0..1..1..0..1..1..1..1....0..0..1..1..1..0..0..0