# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a261945 Showing 1-1 of 1 %I A261945 #3 Sep 06 2015 07:56:29 %S A261945 0,5,218,746,10906,72186,588090,3656900,26647829,180803752,1093944096, %T A261945 6533839983,43705331783 %N 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. %C A261945 Row 3 of A261942. %e A261945 Some solutions for n=4 %e A261945 ..0..0..0..0..0....1..1..1..1..0....1..1..0..0..0....0..1..1..1..0 %e A261945 ..0..1..1..1..1....1..0..0..0..0....1..0..1..0..0....1..0..1..0..0 %e A261945 ..1..0..1..0..0....0..1..1..1..1....0..1..1..1..1....1..1..0..1..1 %e A261945 ..0..1..1..1..1....1..1..1..1..0....1..1..1..1..0....1..1..1..1..0 %Y A261945 Cf. A261942. %K A261945 nonn %O A261945 1,2 %A A261945 _R. H. Hardin_, Sep 06 2015 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE