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A255077 Number of (n+2)X(3+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum one 1
2444, 14161, 103929, 630436, 4055975, 26388769, 170527280, 1103236225, 7182663455, 46658160025, 303191076660, 1970943633409, 12813977932328, 83294626774921, 541514961543114, 3520451643559236, 22886959282325820 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A255082

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Cf. A255082

Sequence in context: A259007 A259000 A256898 * A183629 A274684 A232141

Adjacent sequences:  A255074 A255075 A255076 * A255078 A255079 A255080

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 14 2015

STATUS

approved

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Last modified September 22 04:58 EDT 2021. Contains 347605 sequences. (Running on oeis4.)