A196454 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,2,4,1 for x=0,1,2,3,4

12, 146, 1232, 15274, 249402, 3707781, 46887621, 578160718, 7394096617, 96338727461, 1258078944815, 16370595753240, 212274372772624, 2750178418606822, 35652972674573032, 462472339632802800

Offset

1,1

Comments

Every 0 is next to 0 3's, every 1 is next to 1 0's, every 2 is next to 2 2's, every 3 is next to 3 4's, every 4 is next to 4 1's

Column 6 of A196456

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions for n=4
..2..2..2..2..2..0....0..0..1..1..0..0....0..0..2..2..1..0....1..0..0..1..2..2
..2..1..1..1..2..0....1..2..2..2..2..2....1..1..2..2..1..1....1..1..1..1..2..2
..2..0..0..0..2..0....1..2..0..0..1..2....2..2..0..0..0..1....0..2..2..0..1..1
..2..2..2..2..2..0....0..2..2..2..2..2....2..2..0..0..0..1....0..2..2..1..1..0

Crossrefs

Sequence in context: A041266 A015501 A039493 * A329013 A350655 A167138

Adjacent sequences: A196451 A196452 A196453 * A196455 A196456 A196457

Keyword

nonn

Author

R. H. Hardin Oct 02 2011

Status

approved