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A231392 Number of (n+1)X(4+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order 1
33, 90, 311, 1096, 4085, 15732, 62039, 245850, 980361, 3915982, 15667453, 62726276, 251241863, 1006595336, 4033439213, 16163623302, 64777551551, 259612134798, 1040482017255, 4170131147952, 16713541804781, 66986842603436 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A231396

LINKS

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

FORMULA

Empirical: a(n) = 6*a(n-1) -2*a(n-2) -28*a(n-3) -5*a(n-4) +74*a(n-5) +67*a(n-6) -29*a(n-7) -322*a(n-8) +13*a(n-9) +804*a(n-10) -816*a(n-11) +389*a(n-12) -306*a(n-13) -903*a(n-14) +1630*a(n-15) -942*a(n-16) +736*a(n-17) -1009*a(n-18) +279*a(n-19) +497*a(n-20) -83*a(n-21) +177*a(n-22) -192*a(n-23) +50*a(n-24) -96*a(n-25) -12*a(n-26) +12*a(n-27) +12*a(n-28) for n>31

EXAMPLE

Some solutions for n=5

..0..0..0..1..1....0..0..0..1..1....0..0..0..1..1....0..1..1..1..1

..0..0..0..1..1....1..1..1..0..0....1..1..1..0..0....0..0..1..1..1

..1..1..1..0..0....1..1..0..0..0....1..1..0..0..0....0..0..1..1..1

..1..1..0..0..0....0..0..1..1..1....1..1..1..0..0....0..0..0..1..1

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

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

CROSSREFS

Sequence in context: A080200 A067705 A075213 * A231460 A114069 A305221

Adjacent sequences:  A231389 A231390 A231391 * A231393 A231394 A231395

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 08 2013

STATUS

approved

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Last modified September 20 18:26 EDT 2018. Contains 315240 sequences. (Running on oeis4.)