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A202074 Number of arrays of n+2 integers in -6..6 with sum zero and the sum of every adjacent pair being odd 1
30, 364, 1128, 0, 35604, 462436, 1516410, 0, 50331332, 670671976, 2244207954, 0, 76189204224, 1028085663460, 3477020782410, 0, 119558435601108, 1625407357115064, 5533419347709582, 0, 191835254536494250 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A202076

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

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

CROSSREFS

Sequence in context: A138441 A058837 A042748 * A251895 A022690 A224332

Adjacent sequences:  A202071 A202072 A202073 * A202075 A202076 A202077

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 10 2011

STATUS

approved

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Last modified August 16 05:16 EDT 2022. Contains 356162 sequences. (Running on oeis4.)