A262113 Number of (4+1)X(n+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.

171, 18933, 1518344, 118115088, 8260429504

Offset

1,1

Comments

Row 4 of A262109.

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for n=2
..2..2..2....0..0..1....0..2..0....1..2..1....2..0..2....1..0..0....2..0..0
..2..0..2....1..1..2....0..2..2....0..2..0....1..2..0....1..1..0....2..1..0
..1..1..2....0..0..1....0..1..1....2..0..2....0..2..0....0..0..0....2..0..0
..2..2..2....0..0..1....0..1..1....2..2..1....2..2..0....1..0..1....1..0..1
..2..2..1....2..2..2....2..1..1....2..1..1....2..1..1....2..2..0....2..2..0

Crossrefs

Cf. A262109.

Sequence in context: A206595 A127959 A046166 * A145625 A097844 A076573

Adjacent sequences: A262110 A262111 A262112 * A262114 A262115 A262116

Keyword

nonn

Author

R. H. Hardin, Sep 11 2015

Status

approved