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A278018 Number of 5Xn 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero. 1
0, 1230, 121826, 14786448, 1772657688, 212235186204, 25411730935962, 3042585288805250, 364290594311156506, 43616685036230806738, 5222245347063515784452, 625261742374783468880692 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A278014.

LINKS

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

EXAMPLE

Some solutions for n=3

..0..1..0. .0..1..2. .0..1..2. .0..1..2. .0..2..1. .0..1..2. .0..0..2

..0..2..1. .0..0..0. .0..2..0. .1..2..0. .1..0..2. .0..0..0. .1..1..0

..2..1..0. .1..2..1. .2..1..2. .0..0..1. .2..2..2. .0..1..0. .2..0..0

..1..2..0. .0..1..0. .2..0..0. .1..2..1. .2..1..0. .2..2..1. .0..1..0

..1..2..2. .0..1..2. .2..1..0. .0..1..1. .0..2..2. .0..1..1. .2..0..0

CROSSREFS

Cf. A278014.

Sequence in context: A038813 A250894 A251405 * A182721 A183881 A270540

Adjacent sequences:  A278015 A278016 A278017 * A278019 A278020 A278021

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 08 2016

STATUS

approved

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Last modified December 2 23:30 EST 2021. Contains 349445 sequences. (Running on oeis4.)