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A240516
Number of n X 5 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
OFFSET
1,1
COMMENTS
Column 5 of A240519.
LINKS
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
Cf. A240519.
Sequence in context: A096018 A297647 A267144 * A079386 A156304 A232049
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 06 2014
STATUS
approved