A202420 - OEIS

A202420

Number of (n+2)X9 binary arrays with no more than one of any consecutive three bits set in any row or column

16033, 281925, 5113271, 90488829, 1604558949, 28571620269, 507851160543, 9022809631651, 160402494463537, 2851362392216739, 50679179058460485, 900810744097250203, 16012076715382266497, 284610718798342937421

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

OFFSET

1,1

COMMENTS

Column 7 of A202421

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A187854 A204942 A163112 * A031839 A062674 A274680

Adjacent sequences: A202417 A202418 A202419 * A202421 A202422 A202423

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 19 2011

STATUS

approved