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A196634 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,2,0,4 for x=0,1,2,3,4 1
1, 65, 780, 10708, 152925, 2140040, 29718190, 415475619, 5791281872, 80883758124, 1128675587447, 15753191583307, 219869040473415, 3068688709980912, 42829911529529182, 597780110150837643, 8343266217471860095 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

Column 6 of A196636

LINKS

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

EXAMPLE

Some solutions for n=4

..0..0..0..0..0..0....0..0..0..3..0..0....0..0..3..0..2..2....0..3..0..2..2..0

..0..3..3..0..0..0....0..0..0..0..0..0....0..3..0..0..2..2....3..0..3..2..2..0

..3..0..0..3..3..0....0..0..0..3..3..0....2..2..3..0..0..0....0..0..0..3..0..3

..0..0..3..0..0..0....0..0..0..0..0..0....2..2..0..0..3..0....0..0..0..0..3..0

CROSSREFS

Sequence in context: A343508 A116277 A220389 * A196639 A008516 A000540

Adjacent sequences:  A196631 A196632 A196633 * A196635 A196636 A196637

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 04 2011

STATUS

approved

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Last modified January 28 04:30 EST 2022. Contains 350654 sequences. (Running on oeis4.)