The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A188605 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A188605

Number of nX7 binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally
(history; published version)

#5 by Russ Cox at Sat Mar 31 12:36:13 EDT 2012

AUTHOR

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

Discussion

Sat Mar 31

12:36

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

#4 by Ron Hardin at Tue Apr 05 09:40:10 EDT 2011

STATUS

proposed

approved

#3 by Ron Hardin at Tue Apr 05 09:39:16 EDT 2011

LINKS

R. H. Hardin, <a href="/A188605/b188605.txt">Table of n, a(n) for n = 1..200</a>

#2 by Ron Hardin at Tue Apr 05 09:38:43 EDT 2011

NAME

allocated for Ron HardinNumber of nX7 binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally

DATA

54, 2916, 45860, 721597, 8951764, 111888105, 1318303126, 15651179908, 182869043451, 2144672066828, 25036785947669, 292716527971307, 3417501720587342, 39921719161278443, 466144062799739670

OFFSET

1,1

COMMENTS

Column 7 of A188607

EXAMPLE

Some solutions for 3X7

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

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

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

KEYWORD

allocated

nonn

AUTHOR

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

STATUS

approved

proposed

#1 by Ron Hardin at Tue Apr 05 08:58:24 EDT 2011

NAME

allocated for Ron Hardin

KEYWORD

allocated

STATUS

approved