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A303241 Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
1, 123, 236, 1676, 11111, 90728, 686376, 5320294, 42575026, 345713805, 2801331069, 22819881078, 186805008216, 1528961515269, 12526736579284, 102761508859349, 843215927212293, 6920803923723062, 56822359222413226, 466601882566586351 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A303242.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A303242.

Sequence in context: A227522 A193431 A306643 * A004945 A004965 A216382

Adjacent sequences:  A303238 A303239 A303240 * A303242 A303243 A303244

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 20 2018

STATUS

approved

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Last modified July 21 17:20 EDT 2019. Contains 325198 sequences. (Running on oeis4.)