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A200463 Number of 0..2 arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo 3 1
3, 6, 12, 24, 48, 98, 199, 400, 800, 1597, 3188, 6360, 12679, 25273, 50376, 100400, 200077, 398698, 794502, 1583212, 3154828, 6286514, 12526942, 24961994, 49740765, 99116372, 197505241, 393560803, 784232662, 1562708632, 3113946596, 6205036280 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A200469

LINKS

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

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

CROSSREFS

Sequence in context: A003945 A007283 A049942 * A099844 A165929 A084717

Adjacent sequences:  A200460 A200461 A200462 * A200464 A200465 A200466

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 18 2011

STATUS

approved

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Last modified April 22 22:19 EDT 2021. Contains 343197 sequences. (Running on oeis4.)