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A202926 Number of nX3 0..2 arrays with adjacent row and column sums unequal 1
12, 352, 8460, 194636, 4439916, 100236532, 2247406834, 50175952564, 1116665770790, 24792319092616, 549446441126732, 12159393350480352, 268781263257739898, 5935782137606108232, 130983931680297881360 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A202931

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..55

EXAMPLE

Some solutions for n=4

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

..1..1..1....1..1..1....1..2..1....1..0..1....2..0..1....1..1..0....2..2..1

..0..1..1....1..2..1....0..2..1....1..1..1....0..2..2....0..2..1....1..2..1

..1..2..0....2..0..0....2..1..1....2..2..2....2..0..1....0..0..0....1..2..0

CROSSREFS

Sequence in context: A219407 A203148 A120813 * A134800 A053068 A046969

Adjacent sequences:  A202923 A202924 A202925 * A202927 A202928 A202929

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 26 2011

STATUS

approved

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Last modified July 2 21:48 EDT 2022. Contains 355029 sequences. (Running on oeis4.)