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A261756 Number of (n+1)X(3+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
0, 19, 19, 99, 138, 197, 380, 2580, 5892, 10199, 47851, 139642, 450312, 1068661, 2955411, 13601486, 48492065 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 3 of A261761.

LINKS

Table of n, a(n) for n=1..17.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Cf. A261761.

Sequence in context: A040343 A022353 A323177 * A070853 A165840 A266804

Adjacent sequences:  A261753 A261754 A261755 * A261757 A261758 A261759

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 31 2015

STATUS

approved

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Last modified September 21 04:10 EDT 2021. Contains 347596 sequences. (Running on oeis4.)