A208367 - OEIS

A208367

Number of nX6 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 0 vertically

26, 676, 6186, 52821, 507682, 4503765, 38542393, 334331082, 2885233676, 24682262700, 211197852495, 1807060419576, 15434332682027, 131756292799275, 1124739131632930, 9598207952367000, 81889697535538942, 698632543565035989

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OFFSET

1,1

COMMENTS

Column 6 of A208369

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A208418 A208026 A207806 * A207715 A208076 A207551

Adjacent sequences: A208364 A208365 A208366 * A208368 A208369 A208370

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 25 2012

STATUS

approved