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A262107
Number of (n+1)X(2+1) 0..2 arrays with each row nonprime and column prime, read as a base 3 number with top and left being the most significant digits.
0
26, 195, 1968, 18933, 186780, 2019171, 23371442
OFFSET
1,1
COMMENTS
Column 2 of A262109.
EXAMPLE
Some solutions for n=4
..0..0..1....2..2..0....0..0..0....2..1..0....0..1..1....2..1..0....1..0..0
..2..2..2....0..2..2....0..2..0....0..0..1....1..1..2....2..0..2....0..0..0
..2..2..0....1..2..0....1..1..0....0..0..0....1..2..0....2..0..0....0..2..0
..2..2..0....2..1..1....2..2..2....1..0..1....0..1..1....2..2..2....0..0..1
..1..1..2....2..2..2....2..2..1....2..2..1....1..2..1....1..2..1....2..1..0
CROSSREFS
Cf. A262109.
Sequence in context: A181342 A090960 A357178 * A245952 A056026 A159762
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 11 2015
STATUS
approved