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A298923 Number of nX7 0..1 arrays with every element equal to 1, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1
0, 64, 8, 9, 17, 22, 31, 83, 92, 172, 309, 549, 923, 1830, 3021, 5580, 10091, 18344, 33025, 61470, 111014, 205198, 376471, 694579, 1277419, 2365958, 4360085, 8074209, 14929946, 27656016, 51194508, 94924809, 175864241, 326176032, 604808134 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A298924.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298924.

Sequence in context: A302155 A288923 A123964 * A210114 A236179 A226044

Adjacent sequences:  A298920 A298921 A298922 * A298924 A298925 A298926

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 29 2018

STATUS

approved

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Last modified October 31 05:06 EDT 2020. Contains 338098 sequences. (Running on oeis4.)