A252036 Number of (n+2)X(4+2) 0..4 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime

112929, 183494, 85570, 242893, 958171, 3353508, 10165927, 43093018, 160833703, 479755164, 2129630164, 8304035822, 24338771563, 112393455254, 453850241919, 1310003801065, 6253138371548, 25945878433273, 74044064461017

Offset

1,1

Comments

Column 4 of A252039

Links

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

Example

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

Crossrefs

Sequence in context: A269766 A177275 A303999 * A103113 A179922 A122511

Adjacent sequences: A252033 A252034 A252035 * A252037 A252038 A252039

Keyword

nonn

Author

R. H. Hardin, Dec 12 2014

Status

approved