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A262853 Number of (4+2)X(n+2) 0..1 arrays with each row divisible by 7 and column not divisible by 7, read as a binary number with top and left being the most significant bits. 1
54, 396, 5184, 420654, 14762016, 661066920, 35819485902, 1848763876932, 97674093333720, 5273363053187598, 283250082728896200, 15255186777350855280, 823762481842229569614, 44454274055540034471036, 2399751878355335217728304 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A262849.

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

CROSSREFS

Cf. A262849.

Sequence in context: A102838 A090832 A232511 * A230921 A239687 A192216

Adjacent sequences:  A262850 A262851 A262852 * A262854 A262855 A262856

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 03 2015

STATUS

approved

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Last modified May 24 01:29 EDT 2019. Contains 323528 sequences. (Running on oeis4.)