A262111 Number of (2+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.

17, 195, 2426, 27414, 286164, 2924668, 27440631, 267391114, 2501143873

Offset

1,1

Comments

Row 2 of A262109.

Links

Table of n, a(n) for n=1..9.

Example

Some solutions for n=4
..0..0..1..0..1....0..2..1..1..0....1..0..1..0..1....2..1..2..0..1
..0..2..1..2..0....0..1..0..0..0....0..2..2..1..0....0..2..1..1..2
..2..1..1..1..2....2..2..2..2..2....2..1..2..0..2....1..2..2..0..2

Crossrefs

Cf. A262109.

Sequence in context: A359698 A021434 A019316 * A238672 A018250 A021184

Adjacent sequences: A262108 A262109 A262110 * A262112 A262113 A262114

Keyword

nonn

Author

R. H. Hardin, Sep 11 2015

Status

approved