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A296539 Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 2 or 4 neighboring 1s. 1
1, 26, 254, 1554, 10734, 78660, 560942, 3987615, 28515358, 203892406, 1456644769, 10408749868, 74388848144, 531625780268, 3799304215218, 27152396258135, 194049997801018, 1386817640950191, 9911186585406690, 70832453927754955 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A296541.

LINKS

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

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

CROSSREFS

Cf. A296541.

Sequence in context: A060105 A108645 A086023 * A229715 A125389 A109467

Adjacent sequences:  A296536 A296537 A296538 * A296540 A296541 A296542

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 15 2017

STATUS

approved

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Last modified March 25 15:02 EDT 2019. Contains 321470 sequences. (Running on oeis4.)