A251883 Number of (n+2)X(6+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime

256604, 725325, 2892699, 14269266, 96631623, 615536028, 3186483082, 21970640444, 143585893407, 763905174081, 5329570585851, 35325618021657, 191417416912064, 1344984048889486, 9001481313346745, 49409963417590684

Offset

1,1

Comments

Column 6 of A251885

Links

R. H. Hardin, Table of n, a(n) for n = 1..102

Example

Some solutions for n=1
..0..1..1..1..3..1..1..1....0..4..3..0..4..3..0..4....1..2..0..1..1..1..3..3
..0..2..0..3..4..0..3..4....3..3..1..1..1..1..3..1....1..0..2..0..3..0..4..3
..3..0..2..3..0..4..1..2....4..0..1..4..0..3..4..0....1..1..0..2..1..2..0..1

Crossrefs

Sequence in context: A236600 A105656 A105657 * A251165 A065794 A206253

Adjacent sequences: A251880 A251881 A251882 * A251884 A251885 A251886

Keyword

nonn

Author

R. H. Hardin, Dec 10 2014

Status

approved