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A253124 Number of length n+2 0..3 arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero 1
10, 152, 281, 2058, 6515, 32166, 119317, 517390, 2015982, 8326770, 32994052, 133707596, 532970510, 2143392252, 8562485503, 34327247500, 137243453902, 549498735586, 2197615094086, 8794063054122, 35174129326437, 140721492893118 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A253129

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

R. H. Hardin, Empirical recurrence of order 63

FORMULA

Empirical recurrence of order 63 (see link above)

EXAMPLE

Some solutions for n=7

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A034325 A335800 A239620 * A178298 A251730 A222487

Adjacent sequences:  A253121 A253122 A253123 * A253125 A253126 A253127

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 27 2014

STATUS

approved

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Last modified October 23 04:06 EDT 2021. Contains 348211 sequences. (Running on oeis4.)