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A229531 Number of defective 3-colorings of an nX5 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order 1
16, 112, 1588, 19276, 221096, 2451728, 26566266, 283010776, 2975590424, 30959068528, 319352065652, 3270635802440, 33292532186562, 337120240897408, 3398161294369868, 34116704260522692, 341314436219045264 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A229534

LINKS

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

FORMULA

Empirical: a(n) = 28*a(n-1) -286*a(n-2) +1290*a(n-3) -2373*a(n-4) +304*a(n-5) +3551*a(n-6) -2846*a(n-7) -546*a(n-8) +1308*a(n-9) -505*a(n-10) +76*a(n-11) -4*a(n-12) for n>13

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A258546 A205964 A222113 * A253460 A081194 A121148

Adjacent sequences:  A229528 A229529 A229530 * A229532 A229533 A229534

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 25 2013

STATUS

approved

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Last modified June 17 16:56 EDT 2019. Contains 324196 sequences. (Running on oeis4.)