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A283384 Number of nX6 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements. 1
0, 399, 34531, 1592250, 71707838, 3007934404, 120672330232, 4702791428260, 179057922328623, 6695014133297498, 246668281038206742, 8977573150142192566, 323379332405824735003, 11545468737993581686038, 409038243289396611366132 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A283386.

LINKS

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

EXAMPLE

Some solutions for n=3

..0..1..1..0..1..1. .1..1..0..0..1..1. .1..0..1..1..0..1. .0..1..1..1..0..0

..1..0..1..0..0..0. .1..0..0..0..1..1. .0..0..0..1..0..0. .0..0..1..0..1..0

..0..1..1..1..0..1. .0..1..1..0..0..0. .1..1..1..1..0..1. .0..0..0..1..1..1

CROSSREFS

Cf. A283386.

Sequence in context: A110885 A249408 A216928 * A140892 A115470 A223284

Adjacent sequences:  A283381 A283382 A283383 * A283385 A283386 A283387

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 06 2017

STATUS

approved

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Last modified October 17 11:43 EDT 2021. Contains 348048 sequences. (Running on oeis4.)