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A298388 Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero. 1
8, 2048, 13075, 135226, 2837337, 38706835, 509195874, 8032883165, 118750882425, 1707709022909, 25502618858251, 378609557364591, 5566330211694048, 82417823620354907, 1220987680054491593, 18041261703098651443 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A298389.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A298389.

Sequence in context: A298559 A298769 A299566 * A299306 A299464 A300107

Adjacent sequences:  A298385 A298386 A298387 * A298389 A298390 A298391

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 18 2018

STATUS

approved

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Last modified July 3 10:25 EDT 2022. Contains 355050 sequences. (Running on oeis4.)