A251961 Number of (n+2)X(6+2) 0..4 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime

1957438, 94160979, 6886698489, 446277561777, 30091466242073, 2054307343665213, 138717424346577133, 9390403681006272913, 636399669497421060391, 43090047418698148911910, 2918066567156826288069985

Offset

1,1

Comments

Column 6 of A251962

Links

R. H. Hardin, Table of n, a(n) for n = 1..24

Example

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

Crossrefs

Sequence in context: A017589 A308761 A236910 * A067454 A254552 A254559

Adjacent sequences: A251958 A251959 A251960 * A251962 A251963 A251964

Keyword

nonn

Author

R. H. Hardin, Dec 11 2014

Status

approved