A204780 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A204780

Number of (n+2)X8 0..2 arrays with no 3X3 subblock having three equal diagonal elements or three equal antidiagonal elements, and new values 0..2 introduced in row major order

11475976536, 25096321973400, 51989763458957400, 108409087458981913446, 226195161314062528733400, 471676730359800501277345350, 983786658795358884417033843750, 2051831834602650677018156435696664

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 6 of A204782

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..9

EXAMPLE

Some solutions for n=3

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

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

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