A251640 Number of (n+2)X(3+2) 0..2 arrays with some row, column, diagonal or antidiagonal in every 3X3 subblock summing to 3

10560127, 2000922455, 381543775543, 72419349199493, 13754155206272959, 2612757595388089625, 496271873758017462775, 94263944561519739600469, 17904985214572029962053397, 3400956636618899216826213209

Offset

1,1

Comments

Column 3 of A251641

Links

R. H. Hardin, Table of n, a(n) for n = 1..38

Example

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

Crossrefs

Sequence in context: A186921 A185805 A306476 * A066870 A340110 A250963

Adjacent sequences: A251637 A251638 A251639 * A251641 A251642 A251643

Keyword

nonn

Author

R. H. Hardin, Dec 06 2014

Status

approved