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A250224 Number of length n+1 0..3 arrays with the sum of the cubes of adjacent differences multiplied by some arrangement of +-1 equal to zero 1
4, 20, 52, 208, 704, 2720, 10952, 45888, 195516, 852260, 3760588, 16656832, 73584076, 323148964, 1409241264, 6099051768, 26171960056, 111250573364, 468230400620, 1951667338228, 8063089066756, 33057662096520, 134680763671240 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A250229

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..29

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A187274 A108099 A244050 * A250272 A023667 A213485

Adjacent sequences:  A250221 A250222 A250223 * A250225 A250226 A250227

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 14 2014

STATUS

approved

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Last modified October 16 21:10 EDT 2019. Contains 328103 sequences. (Running on oeis4.)