STATUS
editing
approved
editing
approved
allocated for R. H. Hardin
Number of (n+1)X(5+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.
46, 1215, 10906, 351513, 5488030, 115507073, 2499416567
1,1
Column 5 of A261942.
Some solutions for n=3
..0..0..1..0..0..1....0..1..1..0..1..0....0..0..0..0..0..0....0..1..0..0..1..0
..1..0..0..0..0..1....1..0..0..0..0..0....1..0..0..1..0..0....0..0..1..1..1..1
..0..1..1..1..1..0....1..1..1..1..1..1....0..1..1..0..1..1....1..1..0..0..0..0
..1..1..1..0..0..1....1..1..1..1..1..0....1..0..1..1..0..0....1..1..1..1..1..1
Cf. A261942.
allocated
nonn
R. H. Hardin, Sep 06 2015
approved
editing
allocated for R. H. Hardin
allocated
approved