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A261754 Number of (n+1)X(1+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
2, 4, 0, 11, 0, 31, 0, 0, 0, 0, 0, 1028, 0, 0, 0, 12251, 0, 43390, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A261761.

LINKS

Table of n, a(n) for n=1..29.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Cf. A261761.

Sequence in context: A180192 A066529 A052080 * A073451 A078022 A203850

Adjacent sequences:  A261751 A261752 A261753 * A261755 A261756 A261757

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 31 2015

STATUS

approved

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Last modified September 23 17:19 EDT 2021. Contains 347618 sequences. (Running on oeis4.)