A251847 Number of (n+2)X(2+2) 0..3 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime

4953, 17795, 138538, 1186375, 10462787, 93874605, 837084535, 7462197028, 66624605777, 594601119393, 5305906853789, 47353370057046, 422605056032536, 3771468757661572, 33658182402496616, 300379934935513086

Offset

1,1

Comments

Column 2 of A251852

Links

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

Example

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

Crossrefs

Sequence in context: A260939 A188547 A037044 * A225718 A228302 A116147

Adjacent sequences: A251844 A251845 A251846 * A251848 A251849 A251850

Keyword

nonn

Author

R. H. Hardin, Dec 09 2014

Status

approved