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A297801 Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s. 1
1, 381, 6215, 115773, 4340367, 123361724, 3420197908, 102189481612, 2993486726263, 87036084096735, 2550795725760992, 74669036575156557, 2183108544954393549, 63879977618932856370, 1869145222162376267997 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A297802.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A297802.

Sequence in context: A028682 A222163 A297543 * A201800 A172848 A214896

Adjacent sequences:  A297798 A297799 A297800 * A297802 A297803 A297804

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 06 2018

STATUS

approved

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Last modified August 1 17:43 EDT 2021. Contains 346402 sequences. (Running on oeis4.)