A251848 Number of (n+2)X(3+2) 0..3 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime

15899, 138538, 2118665, 30754863, 458278940, 6885655911, 102820691005, 1537817732274, 23014643920979, 344244913407821, 5149619163538379, 77039622895390388, 1152481624217417835, 17240694630187128552

Offset

1,1

Comments

Column 3 of A251852

Links

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

Example

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

Crossrefs

Sequence in context: A234318 A174596 A237071 * A129473 A372550 A237681

Adjacent sequences: A251845 A251846 A251847 * A251849 A251850 A251851

Keyword

nonn

Author

R. H. Hardin, Dec 09 2014

Status

approved