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A297806 Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s. 1
1, 31, 2434, 17899, 231921, 5511367, 123361724, 2122878239, 39737434692, 798393620079, 15715764101797, 301272429965474, 5838287390984909, 114058126922015948, 2220151290688134573, 43095024081743706131 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 6 of A297802.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A297802.

Sequence in context: A297549 A292706 A212156 * A219076 A072019 A157696

Adjacent sequences:  A297803 A297804 A297805 * A297807 A297808 A297809

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 06 2018

STATUS

approved

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Last modified September 19 10:41 EDT 2020. Contains 337178 sequences. (Running on oeis4.)