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A250644 Number of length n+1 0..6 arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero 1
1, 161, 219, 5901, 28379, 332827, 2225195, 18399217, 129137886, 953809557, 6704767056, 47777146765, 335147823244, 2360792885729, 16540740396740, 116054610957529, 812699929957712, 5694036707961181, 39865043590813086 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A250646

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..25

EXAMPLE

Some solutions for n=5

..6....4....1....2....3....4....4....2....3....0....4....3....6....4....6....3

..4....1....0....0....1....6....0....1....6....2....5....1....0....3....4....1

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

..0....0....4....5....3....5....3....0....0....0....6....3....5....3....0....0

..4....2....6....2....2....2....5....4....0....2....0....2....3....0....6....0

..6....6....1....1....1....2....5....0....2....1....2....2....1....5....5....4

CROSSREFS

Sequence in context: A025342 A189639 A298615 * A060641 A209282 A157954

Adjacent sequences:  A250641 A250642 A250643 * A250645 A250646 A250647

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 26 2014

STATUS

approved

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Last modified September 21 19:59 EDT 2019. Contains 327282 sequences. (Running on oeis4.)