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A299130 Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. 1
1, 13, 30, 149, 576, 2621, 12495, 59426, 291819, 1434777, 7089514, 35139759, 174262279, 865022922, 4295106017, 21330145045, 105941879250, 526209580143, 2613748830983, 12983012681014, 64489686157037, 320337024303633 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 3 of A299135.

LINKS

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

FORMULA

Empirical: a(n) = 5*a(n-1) +7*a(n-2) -27*a(n-3) -65*a(n-4) +97*a(n-5) +118*a(n-6) -276*a(n-7) +110*a(n-8) +516*a(n-9) -226*a(n-10) -372*a(n-11) -12*a(n-12) for n>14

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299135.

Sequence in context: A329950 A183445 A296124 * A156532 A227435 A046414

Adjacent sequences:  A299127 A299128 A299129 * A299131 A299132 A299133

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 03 2018

STATUS

approved

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Last modified September 24 19:09 EDT 2021. Contains 347651 sequences. (Running on oeis4.)