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A297699 Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 4 neighboring 1s. 1
64, 299, 7526, 61054, 1070635, 11111767, 165522511, 1927501851, 26604800210, 327032564064, 4354757342684, 54907563964508, 718868376106746, 9172788367453973, 119137256617569975, 1528743271057112564 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A297694.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A297694.

Sequence in context: A218069 A017258 A297462 * A297888 A298493 A298293

Adjacent sequences:  A297696 A297697 A297698 * A297700 A297701 A297702

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 03 2018

STATUS

approved

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Last modified October 26 17:32 EDT 2020. Contains 338027 sequences. (Running on oeis4.)