A206992 - OEIS

A206992

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

44, 1936, 17460, 329952, 5517786, 88819714, 1482397764, 24487141408, 404028674322, 6680807680870, 110384929625108, 1823827049092968, 30138255315895530, 497995973048057786, 8228770269287650676

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OFFSET

1,1

COMMENTS

Column 6 of A206994

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A170763 A218746 A158751 * A206934 A206869 A181222

Adjacent sequences: A206989 A206990 A206991 * A206993 A206994 A206995

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 14 2012

STATUS

approved