A206869 - OEIS

A206869

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

44, 1936, 31529, 502864, 8942469, 159327093, 2805723059, 49382253588, 870161983686, 15335126811127, 270230133940648, 4761777405210821, 83908473333577949, 1478577785507810905, 26054511301483619894

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

OFFSET

1,1

COMMENTS

Column 6 of A206871

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

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

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

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

CROSSREFS

Sequence in context: A158751 A206992 A206934 * A181222 A188564 A207086

Adjacent sequences: A206866 A206867 A206868 * A206870 A206871 A206872

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 13 2012

STATUS

approved