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A181043 Number of nX(n+4) binary matrices with no initial bit string in any row or column divisible by 6 0
1, 19, 269, 42883, 5771475, 5331905284, 6251857873453, 34559676018342904, 328751379952928324341, 11545551726979619784678193, 845551048282095882508846950229 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Superdiagonal 4 of A181039

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for 4X8

..1..1..1..1..1..1..1..1....1..1..1..1..1..1..1..1....1..1..1..1..1..1..1..1

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

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

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

CROSSREFS

Sequence in context: A253217 A245237 A141942 * A142899 A083004 A139739

Adjacent sequences:  A181040 A181041 A181042 * A181044 A181045 A181046

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 30 2010

STATUS

approved

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Last modified January 19 06:37 EST 2020. Contains 331033 sequences. (Running on oeis4.)