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A277784 Number of n X 4 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2. 1
0, 84, 1434, 79092, 3182256, 137510661, 5841628899, 249237125709, 10621140577245, 452773767226254, 19299515119524711, 822668369531493813, 35067058171919508894, 1494772106584270234932, 63716265812296128694056 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A277788.

LINKS

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

R. H. Hardin, Empirical recurrence of order 48

FORMULA

Empirical recurrence of order 48 (see link above).

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A277788.

Sequence in context: A219833 A163592 A244910 * A105942 A219476 A008359

Adjacent sequences:  A277781 A277782 A277783 * A277785 A277786 A277787

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 31 2016

STATUS

approved

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Last modified January 21 06:26 EST 2022. Contains 350473 sequences. (Running on oeis4.)