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A275351 Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-2) and new values introduced in order 0..2. 1
365, 104976, 235072, 1530060, 20917472, 351504904, 5814135340, 101593710948, 1804283175916, 31575745629020, 553989175825432, 9795187879275832, 173209703832176748, 3054645736558927796, 53918074086885218288 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A275352.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..40

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A275352.

Sequence in context: A233097 A223386 A275095 * A241376 A208566 A209099

Adjacent sequences:  A275348 A275349 A275350 * A275352 A275353 A275354

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 24 2016

STATUS

approved

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Last modified January 19 18:16 EST 2022. Contains 350466 sequences. (Running on oeis4.)