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A262317 Number of (n+2)X(5+2) 0..1 arrays with each row and column divisible by 7, read as a binary number with top and left being the most significant bits. 1
19, 61, 361, 6043, 37873, 413893, 8003035, 103003837, 1659181705, 30797072443, 511038639601, 9076599454261, 167313442296139, 2990829944907421, 54803016760339465, 1017782964712240411, 18753725206393581553 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A262319.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A262319.

Sequence in context: A139498 A106087 A201812 * A214150 A262920 A183455

Adjacent sequences:  A262314 A262315 A262316 * A262318 A262319 A262320

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 17 2015

STATUS

approved

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Last modified August 7 19:57 EDT 2020. Contains 336279 sequences. (Running on oeis4.)