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A261947
Number of (5+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
0, 31, 9350, 50994, 5488030, 52973290, 2828445617, 58321826870
OFFSET
1,2
COMMENTS
Row 5 of A261942.
EXAMPLE
Some solutions for n=4
..1..0..0..1..0....0..0..0..0..0....0..1..0..1..0....0..0..0..0..1
..0..1..0..0..0....1..1..0..1..0....0..1..0..0..1....0..0..0..0..0
..0..0..1..0..0....1..1..0..1..1....0..1..0..1..0....0..0..0..0..0
..1..0..1..1..0....1..1..0..1..1....0..0..1..0..0....1..1..0..0..1
..0..1..0..0..1....0..1..1..1..0....1..1..1..0..0....1..1..1..1..0
..1..1..1..1..0....1..1..0..1..1....0..1..1..1..1....1..1..0..0..1
CROSSREFS
Cf. A261942.
Sequence in context: A135811 A119598 A139295 * A069451 A374668 A073099
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 06 2015
STATUS
approved