A252038 Number of (n+2)X(6+2) 0..4 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime

1080979, 2297641, 1083611, 3353508, 30060975, 248966785, 759807163, 8322287804, 80058549769, 231405295872, 2847277173198, 29309575490132, 82709272927087, 1076025229294297, 11432884684320589, 31965076595521008, 427474706429778817

Offset

1,1

Comments

Column 6 of A252039

Links

R. H. Hardin, Table of n, a(n) for n = 1..48

Example

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

Crossrefs

Sequence in context: A258061 A187125 A237972 * A236449 A352110 A253467

Adjacent sequences: A252035 A252036 A252037 * A252039 A252040 A252041

Keyword

nonn

Author

R. H. Hardin, Dec 12 2014

Status

approved