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A232514 Number of (n+1)X(7+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal 1
340, 1956, 24388, 270400, 3267824, 38988416, 476578496, 5831607392, 71731172848, 883465590796, 10895684078152, 134445500144828, 1659595814461872, 20489752990174828, 252999687876493464, 3124127399364936504 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A232515

LINKS

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

R. H. Hardin, Empirical recurrence of order 78

FORMULA

Empirical recurrence of order 78 (see link above)

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A205223 A238040 A237959 * A187383 A265969 A265924

Adjacent sequences:  A232511 A232512 A232513 * A232515 A232516 A232517

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 25 2013

STATUS

approved

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Last modified October 27 16:07 EDT 2021. Contains 348287 sequences. (Running on oeis4.)