The On-Line Encyclopedia of Integer Sequences (OEIS)

A183471 revision #5

A183471

Number of nX6 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

9, 156, 1205, 13338, 153291, 1625205, 17932076, 198519483, 2180670106, 24048268539, 265302159472, 2924641429031, 32252832821055, 355698271489720, 3922517465632732, 43257709091274901, 477050342760130209

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OFFSET

1,1

COMMENTS

Column 6 of A183474

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 4X6

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

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

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

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

CROSSREFS

Sequence in context: A236578 A305139 A208545 * A109677 A320290 A024122

Adjacent sequences: A183468 A183469 A183470 * A183472 A183473 A183474

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 05 2011

STATUS

approved