The On-Line Encyclopedia of Integer Sequences (OEIS)

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A188857

Number of 8Xn binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally
(history; published version)

#5 by Russ Cox at Sat Mar 31 12:36:14 EDT 2012

AUTHOR

_R. H. Hardin (rhhardin(AT)att.net) _ Apr 12 2011

Discussion

Sat Mar 31

12:36

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

#4 by Ron Hardin at Tue Apr 12 09:56:34 EDT 2011

STATUS

proposed

approved

#3 by Ron Hardin at Tue Apr 12 09:56:31 EDT 2011

LINKS

R. H. Hardin, <a href="/A188857/b188857.txt">Table of n, a(n) for n = 1..200</a>

#2 by Ron Hardin at Tue Apr 12 09:56:10 EDT 2011

NAME

allocated for Ron HardinNumber of 8Xn binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally

DATA

88, 7744, 232747, 5521489, 126202999, 2738402462, 58235424734, 1214926248918, 25100438265744, 514424354650754, 10492086978634132, 213204024180815365, 4321983823146750790, 87458958402751906622, 1767678713324762893245

OFFSET

1,1

COMMENTS

Row 8 of A188851

EXAMPLE

Some solutions for 8X3

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

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

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

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

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

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Apr 12 2011

STATUS

approved

proposed

#1 by Ron Hardin at Tue Apr 12 09:40:32 EDT 2011

NAME

allocated for Ron Hardin

KEYWORD

allocated

STATUS

approved