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A278278 Number of nX6 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero. 1
0, 109, 3723, 172091, 7466627, 329985827, 14526103064, 640011857446, 28192246592564, 1241921389868057, 54708244420668156, 2409976614356023808, 106162841585764737411, 4676622598537493878129, 206011798163918590188603 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A278280.

LINKS

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

R. H. Hardin, Empirical recurrence of order 98

FORMULA

Empirical recurrence of order 98 (see link above)

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A278280.

Sequence in context: A145852 A232198 A232416 * A280626 A227949 A144930

Adjacent sequences:  A278275 A278276 A278277 * A278279 A278280 A278281

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 16 2016

STATUS

approved

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Last modified November 19 22:34 EST 2019. Contains 329323 sequences. (Running on oeis4.)