1,6
a(n)=0 for n=3 (mod 4)
Table of n, a(n) for n=1..13.
R. Bacher and D. Garber, Spindle configurations of skew lines
Sequence in context: A140093 A194093 A055314 * A249010 A071534 A336667
Adjacent sequences: A110887 A110888 A110889 * A110891 A110892 A110893
more,nonn
David Garber, Sep 20 2005
approved