A251849 Number of (n+2)X(4+2) 0..3 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.

67209, 1186375, 30754863, 736849090, 18030121976, 446202017757, 10975505375791, 270105866416962, 6653251957613181, 163825989926409605, 4033879187750936772, 99332339015825220869, 2445969584375372705203

Offset

1,1

Comments

Column 4 of A251852

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A253976 A237777 A251297 * A359334 A226529 A198537

Adjacent sequences: A251846 A251847 A251848 * A251850 A251851 A251852

Keyword

nonn

Author

R. H. Hardin, Dec 09 2014

Status

approved