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A298144 Number of nX6 0..1 arrays with every element equal to 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. 1
0, 5, 6, 27, 57, 92, 161, 369, 918, 2023, 4177, 9191, 20759, 46792, 104465, 235137, 529925, 1193122, 2683847, 6045698, 13629713, 30735537, 69313806, 156362148, 352814464, 796207260, 1796997548, 4056249123, 9156943844, 20673527694 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A298146.

LINKS

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

R. H. Hardin, Empirical recurrence of order 99

FORMULA

Empirical recurrence of order 99 (see link above)

EXAMPLE

Some solutions for n=7

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

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

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

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

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

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

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

CROSSREFS

Cf. A298146.

Sequence in context: A320665 A303731 A298175 * A115761 A320047 A249221

Adjacent sequences:  A298141 A298142 A298143 * A298145 A298146 A298147

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 13 2018

STATUS

approved

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Last modified December 5 05:39 EST 2021. Contains 349530 sequences. (Running on oeis4.)