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A231340 Number of (n+1)X(4+1) 0..3 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with values 0..3 introduced in row major order 1
12, 59, 453, 3572, 30269, 259011, 2278003, 20081717, 178468093, 1587202009, 14147804875, 126135696317, 1125282491561, 10039469984309, 89585462173947, 799412950981660, 7133898167065735, 63662603102524287, 568130626858337409 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A231343

LINKS

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

R. H. Hardin, Empirical recurrence of order 97

FORMULA

Empirical recurrence of order 97 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

..0..1..1..0..0....0..1..1..2..2....2..2..3..3..0....0..0..1..2..2

..0..1..1..0..0....0..1..1..2..2....2..2..3..3..0....1..1..1..1..1

CROSSREFS

Sequence in context: A062477 A048362 A231215 * A099321 A097302 A075367

Adjacent sequences:  A231337 A231338 A231339 * A231341 A231342 A231343

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 07 2013

STATUS

approved

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Last modified October 16 23:55 EDT 2021. Contains 348048 sequences. (Running on oeis4.)