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A269108 Number of nX7 0..3 arrays with some element plus some horizontally or vertically adjacent neighbor totalling three no more than once. 1
8748, 8787660, 6482020140, 4227147007836, 2579398703502996, 1509593256271433868, 858502190008810133292, 478110059855042497842996, 262048541877700400412558012, 141832398849461215193264315676 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A269109.

LINKS

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

R. H. Hardin, Empirical recurrence of order 64

FORMULA

Empirical recurrence of order 64 (see link above)

EXAMPLE

Some solutions for n=1

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

CROSSREFS

Cf. A269109.

Sequence in context: A269193 A269142 A269200 * A269288 A234148 A205254

Adjacent sequences:  A269105 A269106 A269107 * A269109 A269110 A269111

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 19 2016

STATUS

approved

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Last modified May 31 10:42 EDT 2020. Contains 334748 sequences. (Running on oeis4.)