A262116 Number of (n+1)X(n+1) 0..2 arrays with each row and column prime, read as a base 3 number with top and left being the most significant digits.

5, 44, 2802, 473294, 315759093

Offset

1,1

Comments

Diagonal of A262122.

Links

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

Example

Some solutions for n=3
..1..2..0..2....2..0..1..2....0..0..1..2....0..0..0..2....0..1..2..2
..0..1..1..1....1..1..2..1....2..1..2..2....2..2..0..1....2..1..1..1
..1..2..2..2....1..2..2..2....1..0..0..2....1..1..0..1....0..0..1..2
..1..2..2..2....1..2..2..2....2..2..2..1....2..2..2..1....1..1..1..2

Crossrefs

Cf. A262122.

Sequence in context: A113948 A215517 A215584 * A096763 A345398 A341383

Adjacent sequences: A262113 A262114 A262115 * A262117 A262118 A262119

Keyword

nonn

Author

R. H. Hardin, Sep 11 2015

Status

approved