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A268162 Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to at least one vertical or antidiagonal neighbor and the top left element equal to 0. 0
0, 0, 456, 23592, 10213152, 871718016, 131259920304, 22870582657920, 3420936792374976 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Row 5 of A268159.

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=4

..0..4..2..2....0..4..0..3....0..0..2..1....0..0..3..1....0..0..2..4

..0..4..2..4....0..4..0..3....0..4..2..1....0..3..1..3....0..2..3..4

..1..1..2..4....4..4..3..1....0..4..1..1....0..2..2..3....0..3..3..1

..1..0..3..3....2..3..1..2....4..3..2..3....1..2..4..4....3..2..4..1

..1..0..3..3....2..1..1..2....4..3..2..3....1..2..4..4....2..4..1..1

CROSSREFS

Cf. A268159.

Sequence in context: A200784 A077578 A329756 * A223750 A048110 A282101

Adjacent sequences:  A268159 A268160 A268161 * A268163 A268164 A268165

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 27 2016

STATUS

approved

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Last modified May 31 09:15 EDT 2020. Contains 334748 sequences. (Running on oeis4.)