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A293095 Number of nX3 0..1 arrays with the number of 1s horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0s adjacent to some 1. 1
0, 9, 48, 554, 3334, 30837, 202363, 1733660, 12139768, 99907487, 729039938, 5866737162, 43944684689, 349284676982, 2660349798813, 21006556689388, 161738436141669, 1272996087653588, 9871903975910464, 77596716393162478 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 3 of A293100.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A293100.

Sequence in context: A073584 A007037 A179280 * A283092 A249780 A140891

Adjacent sequences:  A293092 A293093 A293094 * A293096 A293097 A293098

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 30 2017

STATUS

approved

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Last modified May 25 01:25 EDT 2019. Contains 323534 sequences. (Running on oeis4.)