A251835 Number of (n+2)X(6+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3 4 5 or 6

2764828, 182241310, 13666111138, 887220145536, 59837326193896, 4086753138132644, 275964802757077738, 18680999286583824120, 1266056682611301620494, 85723370564361825157518

Offset

1,1

Comments

Column 6 of A251836

Links

R. H. Hardin, Table of n, a(n) for n = 1..17

Example

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

Crossrefs

Sequence in context: A238070 A306634 A015336 * A295471 A316487 A250535

Adjacent sequences: A251832 A251833 A251834 * A251836 A251837 A251838

Keyword

nonn

Author

R. H. Hardin, Dec 09 2014

Status

approved