A232390 Number of (n+1)X(7+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal

6224, 51240, 589172, 7492900, 109430578, 1635435360, 24233926664, 367539805270, 5620517592220, 85329905011324, 1308749021295428, 20082836249856018, 307175995110951594, 4721095324076507232, 72479797252036404654

Offset

1,1

Comments

Column 7 of A232391

Links

R. H. Hardin, Table of n, a(n) for n = 1..209

Example

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

Crossrefs

Sequence in context: A293355 A112665 A330933 * A092726 A291422 A200830

Adjacent sequences: A232387 A232388 A232389 * A232391 A232392 A232393

Keyword

nonn

Author

R. H. Hardin, Nov 23 2013

Status

approved