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A231084 Number of 5Xn 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3 and at least one element with value (x(i,j)-1) mod 3, and upper left element zero 0
0, 34, 5098, 71944, 18655220, 1782634608, 190102522528, 24141123135256, 2762980681734360, 330052108492665912, 39469584963572801752 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A231080

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=3

..0..3..0....0..3..2....0..1..2....0..1..2....0..3..0....0..3..0....0..1..2

..2..1..2....2..1..2....0..3..0....2..3..0....2..1..2....2..1..0....0..3..2

..0..3..2....0..3..2....2..1..0....0..3..0....1..2..1....2..3..0....2..1..2

..0..3..2....2..1..0....2..1..2....2..1..0....3..0..3....1..2..1....3..0..1

..0..1..0....0..3..2....0..3..0....0..3..2....1..2..3....1..0..3....3..2..1

CROSSREFS

Sequence in context: A232900 A209943 A187708 * A291976 A212035 A292750

Adjacent sequences:  A231081 A231082 A231083 * A231085 A231086 A231087

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 03 2013

STATUS

approved

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Last modified February 21 22:10 EST 2020. Contains 332113 sequences. (Running on oeis4.)