A261945 Number of (3+1)X(n+1) 0..1 arrays with each row nonprime and column prime, read as a binary number with top and left being the most significant bits.

0, 5, 218, 746, 10906, 72186, 588090, 3656900, 26647829, 180803752, 1093944096, 6533839983, 43705331783

Offset

1,2

Comments

Row 3 of A261942.

Links

Table of n, a(n) for n=1..13.

Example

Some solutions for n=4
..0..0..0..0..0....1..1..1..1..0....1..1..0..0..0....0..1..1..1..0
..0..1..1..1..1....1..0..0..0..0....1..0..1..0..0....1..0..1..0..0
..1..0..1..0..0....0..1..1..1..1....0..1..1..1..1....1..1..0..1..1
..0..1..1..1..1....1..1..1..1..0....1..1..1..1..0....1..1..1..1..0

Crossrefs

Cf. A261942.

Sequence in context: A159317 A345465 A346196 * A024070 A290179 A050617

Adjacent sequences: A261942 A261943 A261944 * A261946 A261947 A261948

Keyword

nonn

Author

R. H. Hardin, Sep 06 2015

Status

approved