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A240516 Number of nX5 0..1 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..1 introduced in row major order 1
8, 21, 73, 326, 1376, 6205, 28942, 135093, 636475, 3024792, 14429369, 69010353, 330906118, 1589431389, 7642628408, 36779710534, 177110221193, 853219818189, 4111568990816, 19817506062480, 95533854083563, 460587995304966 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A240519

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A096018 A297647 A267144 * A079386 A156304 A232049

Adjacent sequences:  A240513 A240514 A240515 * A240517 A240518 A240519

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 06 2014

STATUS

approved

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Last modified March 8 08:16 EST 2021. Contains 341942 sequences. (Running on oeis4.)