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A258563 Number of (n+2)X(3+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum or central row sum equal to the central column sum 1
2826448, 134652816, 6542200832, 321924603456, 15675466093600, 760019986771600, 36965855603605520, 1800899434274691136, 87647514765019632320, 4262811582955736779024, 207402816350361451622688 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A258564

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..21

EXAMPLE

Some solutions for n=1

..0..0..0..0..1....0..0..0..2..0....0..0..0..0..2....0..0..0..0..0

..1..1..1..1..1....2..2..2..2..0....2..0..0..0..2....2..2..1..1..1

..2..1..1..0..0....0..1..1..1..0....1..0..2..1..1....1..1..2..0..0

CROSSREFS

Cf. A258564

Sequence in context: A321056 A033534 A204744 * A204413 A204789 A204524

Adjacent sequences:  A258560 A258561 A258562 * A258564 A258565 A258566

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 03 2015

STATUS

approved

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Last modified October 17 12:01 EDT 2021. Contains 348048 sequences. (Running on oeis4.)