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A186018 1/8192 the number of (n+2)X10 0..3 arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace 0
49284679976982, 8224311645479697688, 1516362034734225503262578, 277959486316686617376269652771, 50647264481612304867053099566842986, 9248672564986517518257974513391630412630 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A186019

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for 4X10

..0..0..2..0..2..0..3..1..0..2....0..0..2..0..2..0..2..1..0..2

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

..0..0..1..0..0..0..0..0..2..0....0..0..1..0..0..0..0..0..0..3

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

CROSSREFS

Sequence in context: A186913 A262193 A219320 * A233843 A234066 A320863

Adjacent sequences:  A186015 A186016 A186017 * A186019 A186020 A186021

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 10 2011

STATUS

approved

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Last modified October 21 18:36 EDT 2021. Contains 348155 sequences. (Running on oeis4.)