A250651 - OEIS

A250651

Number of length 7+1 0..n arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero

120, 2870, 28238, 163043, 677505, 2225195, 6290716, 15474251, 34620063, 71045837, 136895633, 249167782, 432945014, 721867127, 1163471851, 1819556318, 2767225673, 4114863787, 5983678292, 8546815362, 11983543443, 16566644515

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OFFSET

1,1

COMMENTS

Row 7 of A250646

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..34

EXAMPLE

Some solutions for n=4

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

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

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

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

..1....4....3....4....4....4....1....1....3....0....0....3....1....0....1....0

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

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

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

CROSSREFS

Sequence in context: A105943 A219945 A219834 * A052721 A060490 A158048

Adjacent sequences: A250648 A250649 A250650 * A250652 A250653 A250654

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 26 2014

STATUS

approved