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A203387 Number of n X 6 0..6 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors. 0
1, 11585, 50848495, 87523201775, 133980449920831 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A203389.

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions for n=4

..5..6..6..5..5..3....2..2..5..5..3..1....3..3..3..6..6..1....6..6..4..0..4..4

..5..6..6..1..5..3....2..0..5..5..6..6....6..6..5..6..6..3....6..6..6..0..5..5

..2..3..4..0..5..5....5..5..1..6..6..6....6..6..2..6..6..3....4..6..6..1..5..5

..0..0..4..4..5..5....5..5..1..6..6..0....3..3..0..4..4..0....0..5..5..0..3..3

CROSSREFS

Cf. A203389.

Sequence in context: A205982 A066055 A184685 * A218105 A226905 A162865

Adjacent sequences:  A203384 A203385 A203386 * A203388 A203389 A203390

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 01 2012

STATUS

approved

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Last modified June 28 02:57 EDT 2022. Contains 354903 sequences. (Running on oeis4.)