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A197677 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,0,1 for x=0,1,2,3,4 1
16, 160, 2557, 29190, 358209, 4268977, 51167876, 612121676, 7361707007, 88656931195, 1068147837085, 12872396820775, 155149962503924, 1870214789373352, 22545546614910072, 271799896014413918 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

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

Column 6 of A197679

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions containing all values 0 to 4 for n=4

..0..0..0..1..1..0....2..1..0..1..1..1....1..2..1..1..0..0....0..1..1..0..0..0

..3..0..0..1..4..1....1..4..1..1..0..0....0..3..0..1..1..1....0..1..1..0..3..0

..0..3..0..1..1..1....0..1..4..1..3..0....3..0..0..1..4..1....1..1..4..1..1..0

..1..2..1..1..0..0....0..1..1..0..0..0....0..0..0..1..1..0....1..0..1..2..2..1

CROSSREFS

Sequence in context: A079768 A053410 A225591 * A197535 A204297 A000811

Adjacent sequences:  A197674 A197675 A197676 * A197678 A197679 A197680

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 17 2011

STATUS

approved

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Last modified May 21 03:13 EDT 2022. Contains 353886 sequences. (Running on oeis4.)