The On-Line Encyclopedia of Integer Sequences (OEIS)

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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
(history; published version)

#5 by Russ Cox at Sat Mar 31 12:35:51 EDT 2012

AUTHOR

_R. H. Hardin (rhhardin(AT)att.net) _ Jan 05 2011

Discussion

Sat Mar 31

12:35

OEIS Server: https://oeis.org/edit/global/875

#4 by Ron Hardin at Wed Jan 05 06:51:17 EST 2011

STATUS

proposed

approved

#3 by Ron Hardin at Wed Jan 05 06:51:05 EST 2011

LINKS

R. H. Hardin, <a href="/A183471/b183471.txt">Table of n, a(n) for n = 1..200</a>

#2 by Ron Hardin at Wed Jan 05 06:50:39 EST 2011

NAME

allocated for Ron HardinNumber 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

DATA

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

OFFSET

1,1

COMMENTS

Column 6 of A183474

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Jan 05 2011

STATUS

approved

proposed

#1 by Ron Hardin at Wed Jan 05 06:40:29 EST 2011

NAME

allocated for Ron Hardin

KEYWORD

allocated

STATUS

approved