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

2826448, 134652816, 6542200832, 321924603456, 15675466093600, 760019986771600, 36965855603605520, 1800899434274691136, 87647514765019632320, 4262811582955736779024, 207402816350361451622688

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