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A261759 Number of (n+1)X(6+1) 0..1 arrays with each row and column prime, read as a binary number with top and left being the most significant bits. 0
31, 353, 197, 53564, 82711, 8124875, 25084172 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A261761.

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Cf. A261761.

Sequence in context: A274180 A197644 A295211 * A156150 A125419 A138440

Adjacent sequences:  A261756 A261757 A261758 * A261760 A261761 A261762

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 31 2015

STATUS

approved

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Last modified October 27 10:47 EDT 2021. Contains 348274 sequences. (Running on oeis4.)