A181035 - OEIS

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A181035

Number of nX(n+4) binary matrices with no initial bit string in any row or column divisible by 4

1, 13, 239, 10897, 1095851, 250916131, 129422885699, 150985649174085, 397743903151933881, 2367568471466798904283, 31835463913062005686452609, 967121732734103600475330208107, 66372797708066134019183673485369717

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

OFFSET

1,2

COMMENTS

Superdiagonal 4 of A181031

LINKS

R. H. Hardin, Table of n, a(n) for n=1..22

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

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

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

CROSSREFS

Sequence in context: A051689 A000824 A229384 * A228795 A271782 A157969

Adjacent sequences: A181032 A181033 A181034 * A181036 A181037 A181038

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 30 2010

STATUS

approved