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A204862 Number of (n+2)X5 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly two different ways, and new values 0..1 introduced in row major order 1
1437, 7127, 36865, 192080, 1013668, 5369493, 28334280, 149505326, 790698276, 4174729955, 22050216974, 116497519764, 615331114030, 3250347051592, 17169846689204, 90695916099313, 479084441304253, 2530691611653147 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A204867

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Sequence in context: A143475 A245948 A221004 * A227494 A101798 A081426

Adjacent sequences:  A204859 A204860 A204861 * A204863 A204864 A204865

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 20 2012

STATUS

approved

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Last modified June 23 21:56 EDT 2021. Contains 345402 sequences. (Running on oeis4.)