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A299446 Number of nX3 0..1 arrays with every element equal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1
3, 4, 1, 4, 10, 6, 11, 41, 24, 42, 169, 100, 159, 710, 405, 643, 2995, 1673, 2659, 12648, 6948, 11132, 53434, 29109, 46870, 225916, 122510, 197807, 955669, 517066, 835904, 4044687, 2185734, 3535227, 17123968, 9247255, 14959235, 72513441, 39141547 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A299451.

LINKS

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

FORMULA

Empirical: a(n) = a(n-1) +5*a(n-3) -5*a(n-4) +a(n-5) -2*a(n-6) +2*a(n-7) -2*a(n-8) -8*a(n-9) +5*a(n-10) -10*a(n-11) +10*a(n-12) +a(n-13) +2*a(n-14) +7*a(n-15) +a(n-17) +a(n-18) for n>19

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299451.

Sequence in context: A293190 A091542 A247041 * A300084 A321624 A079529

Adjacent sequences:  A299443 A299444 A299445 * A299447 A299448 A299449

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 10 2018

STATUS

approved

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Last modified April 25 13:31 EDT 2019. Contains 322461 sequences. (Running on oeis4.)