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A204396 Number of (n+2)X8 0..1 arrays with no 3X3 subblock having three equal diagonal elements or three equal antidiagonal elements, and new values 0..1 introduced in row major order 1
279752, 7311488, 174658050, 3834777888, 91301191200, 2134049909922, 49709204045442, 1165483158963362, 27256189033449800, 637215243160289378, 14908342612019617800, 348716657874620217632, 8156486469587116824818 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A204398

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Sequence in context: A252209 A043601 A043867 * A013909 A016867 A016915

Adjacent sequences:  A204393 A204394 A204395 * A204397 A204398 A204399

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 15 2012

STATUS

approved

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Last modified October 23 16:20 EDT 2021. Contains 348215 sequences. (Running on oeis4.)