A251852 T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime

2148, 4953, 4953, 15899, 17795, 15899, 67209, 138538, 138538, 67209, 327193, 1186375, 2118665, 1186375, 327193, 1697028, 10462787, 30754863, 30754863, 10462787, 1697028, 9016304, 93874605, 458278940, 736849090, 458278940

Offset

1,1

Comments

Table starts

....2148.....4953......15899........67209.........327193..........1697028

....4953....17795.....138538......1186375.......10462787.........93874605

...15899...138538....2118665.....30754863......458278940.......6885655911

...67209..1186375...30754863....736849090....18030121976.....446202017757

..327193.10462787..458278940..18030121976...731506077621...30085748128093

.1697028.93874605.6885655911.446202017757.30085748128093.2053961042240678

Links

R. H. Hardin, Table of n, a(n) for n = 1..97

Example

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

Crossrefs

Sequence in context: A251893 A251870 A291135 * A251846 A236150 A252126

Adjacent sequences: A251849 A251850 A251851 * A251853 A251854 A251855

Keyword

nonn,tabl

Author

R. H. Hardin, Dec 09 2014

Status

approved