A232308 Number of nX7 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically or antidiagonally

161, 781873, 983668985, 1376103637041, 1965722343353835, 2786747040643695591, 3953611274692252664219, 5609673968439178859869363, 7959069992979177183594559927, 11292472372835942637501892462887

Offset

1,1

Comments

Column 7 of A232309

Links

R. H. Hardin, Table of n, a(n) for n = 1..168

Example

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

Crossrefs

Sequence in context: A232294 A203053 A232367 * A232458 A214164 A273630

Adjacent sequences: A232305 A232306 A232307 * A232309 A232310 A232311

Keyword

nonn

Author

R. H. Hardin, Nov 22 2013

Status

approved