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A232427 Number of (n+1)X(3+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or vertically 1
64, 1632, 33708, 650696, 14465384, 313201804, 6514702216, 139122934752, 2976033930696, 63123128916304, 1342119519069652, 28587959355513900, 608076772769769316, 12933230082531044888, 275207426260812160768 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A232431

LINKS

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

R. H. Hardin, Empirical recurrence of order 55

FORMULA

Empirical recurrence of order 55 (see link above)

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A224205 A162994 A225981 * A194496 A297092 A284340

Adjacent sequences:  A232424 A232425 A232426 * A232428 A232429 A232430

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 23 2013

STATUS

approved

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Last modified May 18 01:52 EDT 2022. Contains 353779 sequences. (Running on oeis4.)