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A298332 Number of nX3 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero. 2
1, 17, 113, 628, 3641, 21375, 124972, 730509, 4271331, 24974286, 146021443, 853770711, 4991901968, 29187089317, 170653628083, 997792567886, 5833980911671, 34110630196019, 199441018025056, 1166109199411145 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 3 of A298337.

LINKS

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

FORMULA

Empirical: a(n) = 5*a(n-1) +3*a(n-2) +14*a(n-3) -9*a(n-4) -29*a(n-5) -33*a(n-6) -48*a(n-7) +34*a(n-8) -2*a(n-9) -10*a(n-10) -32*a(n-11) +12*a(n-12) +8*a(n-13) for n>15

EXAMPLE

Some solutions for n=7

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

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

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

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

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

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

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

CROSSREFS

Cf. A298337.

Sequence in context: A139903 A105127 A142403 * A299223 A197360 A289472

Adjacent sequences:  A298329 A298330 A298331 * A298333 A298334 A298335

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 17 2018

STATUS

approved

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Last modified June 6 01:51 EDT 2020. Contains 334858 sequences. (Running on oeis4.)