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A297068 Number of nX3 0..1 arrays with no 1 adjacent to 1 king-move neighboring 1. 1
5, 32, 205, 1292, 8810, 60779, 419569, 2901787, 20091572, 139140477, 963653066, 6674330446, 46227713019, 320183633077, 2217668761745, 15360120851512, 106388020545263, 736869992600366, 5103745776934708, 35349819783269635 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A297073.

LINKS

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

FORMULA

Empirical: a(n) = 7*a(n-1) +4*a(n-3) -30*a(n-4) -145*a(n-5) -69*a(n-6) +50*a(n-7) +33*a(n-8) -26*a(n-9) -7*a(n-10) -4*a(n-11)

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

CROSSREFS

Cf. A297073.

Sequence in context: A270565 A271165 A015541 * A024064 A164594 A305312

Adjacent sequences:  A297065 A297066 A297067 * A297069 A297070 A297071

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 24 2017

STATUS

approved

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Last modified June 13 18:45 EDT 2021. Contains 345008 sequences. (Running on oeis4.)