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A250564 Number of length 5+2 0..n arrays with the sum of second differences multiplied by some arrangement of +-1 equal to zero 0
62, 989, 7126, 31525, 106362, 290909, 695890, 1486139, 2927312, 5373103, 9352712, 15511735, 24776808, 38224089, 57324690, 83749019, 119721620, 167645127, 230722744, 312355167, 416892578, 548957107, 714415336, 919264381 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A250561

LINKS

Table of n, a(n) for n=1..24.

EXAMPLE

Some solutions for n=5

..1....1....5....4....0....4....1....3....1....0....3....1....5....1....0....2

..0....4....1....3....5....1....1....2....4....0....0....3....1....2....4....5

..5....5....0....0....5....3....4....2....4....1....0....3....2....5....1....4

..0....2....3....4....1....2....3....2....5....5....4....1....1....3....3....3

..0....2....5....0....2....3....0....4....3....5....0....3....1....5....4....5

..2....5....5....1....0....5....3....1....2....5....5....0....4....1....1....0

..1....0....1....0....1....0....1....2....5....3....4....2....4....2....3....1

CROSSREFS

Sequence in context: A234482 A157499 A249235 * A231027 A103428 A248450

Adjacent sequences:  A250561 A250562 A250563 * A250565 A250566 A250567

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 25 2014

STATUS

approved

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Last modified May 19 08:55 EDT 2022. Contains 353826 sequences. (Running on oeis4.)