The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A222538 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A222538

Number of nX5 0..1 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order
(history; published version)

#4 by R. H. Hardin at Sun Feb 24 07:12:52 EST 2013

STATUS

editing

approved

#3 by R. H. Hardin at Sun Feb 24 07:12:49 EST 2013

LINKS

R. H. Hardin, <a href="/A222538/b222538.txt">Table of n, a(n) for n = 1..104</a>

#2 by R. H. Hardin at Sun Feb 24 07:12:34 EST 2013

NAME

allocated for R. H. Hardin

Number of nX5 0..1 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order

DATA

5, 19, 70, 772, 3872, 44498, 244106, 2895313, 16220695, 193518017, 1095187013, 13140785478, 74882449329, 902437854334, 5167965116150, 62504530916068, 359312728848315, 4358377223219062, 25131524034389414, 305565415963242588

OFFSET

1,1

COMMENTS

Column 5 of A222541

EXAMPLE

Some solutions for n=3

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin Feb 24 2013

STATUS

approved

editing

#1 by R. H. Hardin at Sun Feb 24 07:09:04 EST 2013

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved