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A293095 Number of n X 3 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's 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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 30 2017
STATUS
approved

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Last modified March 1 20:05 EST 2024. Contains 370443 sequences. (Running on oeis4.)