A252035 Number of (n+2)X(3+2) 0..4 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime

53776, 84953, 43475, 85570, 309509, 1083611, 2760880, 11408435, 45212106, 116642072, 531761898, 2259000889, 5831023888, 28257830105, 124970572069, 322460681029, 1617291825135, 7310304048517, 18856709193862, 96407077619864

Offset

1,1

Comments

Column 3 of A252039

Links

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

Example

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

Crossrefs

Sequence in context: A206314 A237373 A251369 * A099231 A237547 A100422

Adjacent sequences: A252032 A252033 A252034 * A252036 A252037 A252038

Keyword

nonn

Author

R. H. Hardin, Dec 12 2014

Status

approved