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A202074
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Number of arrays of n+2 integers in -6..6 with sum zero and the sum of every adjacent pair being odd
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1
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30, 364, 1128, 0, 35604, 462436, 1516410, 0, 50331332, 670671976, 2244207954, 0, 76189204224, 1028085663460, 3477020782410, 0, 119558435601108, 1625407357115064, 5533419347709582, 0, 191835254536494250
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listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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Column 6 of A202076
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..210
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EXAMPLE
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Some solutions for n=3
..2....6....4...-6...-4....2....2...-4...-6...-4....4....0...-2...-4...-2....4
..1...-1...-3...-1....3....1...-1...-1....1....5...-1...-5....3....1....3...-5
.-6....2....2....0...-2...-4...-4....2....6...-4...-2....0...-6...-2....0...-4
.-3...-5....3....3...-1...-3....5...-3...-5....1....3....3....3...-1....5....3
..6...-2...-6....4....4....4...-2....6....4....2...-4....2....2....6...-6....2
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CROSSREFS
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Sequence in context: A138441 A058837 A042748 * A251895 A022690 A224332
Adjacent sequences: A202071 A202072 A202073 * A202075 A202076 A202077
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Dec 10 2011
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STATUS
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approved
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