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A269200 Number of nX7 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three no more than once. 1
8748, 3212820, 1184381844, 399104835612, 128136007344516, 39825831571425924, 12093315071771856492, 3608384928930423012804, 1062048602869077147571956, 309185374985245150329134076, 89206481105125372533736647588 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A269201.

LINKS

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

EXAMPLE

Some solutions for n=1

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

CROSSREFS

Cf. A269201.

Sequence in context: A183361 A269193 A269142 * A269108 A269288 A234148

Adjacent sequences:  A269197 A269198 A269199 * A269201 A269202 A269203

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 20 2016

STATUS

approved

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Last modified May 6 09:45 EDT 2021. Contains 343580 sequences. (Running on oeis4.)