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%I #5 Mar 31 2012 12:36:53
%S 90,972,9010,90604,941086,9824176,102972822,1085236504,11493823804,
%T 122199247152,1303262970318,13937228021316,149401572804700,
%U 1604863727556740,17270995998356176,186167832760838568
%N Number of arrays of n+2 integers in -6..6 with sum zero and adjacent elements differing in absolute value
%C Column 6 of A202962
%H R. H. Hardin, <a href="/A202960/b202960.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..6....1....4....5...-3....4...-3....1....1...-6....5....4....2....0....1...-2
%e .-2...-4...-1...-6...-4...-6...-6...-4...-2....1....2...-6...-6....2....2....5
%e ..0....1...-4...-1....0...-1...-3...-6....3...-2...-5....0....5....0....0....2
%e .-3...-4....2....5....2....4....1....3...-5....4....0...-1....1....5...-2...-3
%e ..4....0...-4....0....6....2....5....0...-3....0....2...-3....4...-1....0...-2
%e .-5....6....3...-3...-1...-3....6....6....6....3...-4....6...-6...-6...-1....0
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 26 2011
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