A220809 - OEIS

A220809

Equals one maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, vertical and antidiagonal neighbors in a random 0..2 nX5 array

16, 726, 30015, 1037774, 33511894, 1073575060, 34359074337

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OFFSET

1,1

COMMENTS

Column 5 of A220810

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A356482 A201622 A362574 * A221023 A171736 A062206

Adjacent sequences: A220806 A220807 A220808 * A220810 A220811 A220812

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 22 2012

STATUS

approved