A110888 Number of spindle configurations of n skew lines.

1, 1, 2, 3, 7, 15, 48, 180, 985, 6867, 60108, 609112, 6909017

Offset

1,3

Links

Table of n, a(n) for n=1..13.

R. Bacher and D. Garber, Spindle configurations of skew lines

Crossrefs

Sequence in context: A045629 A034731 A216435 * A133736 A058698 A058699

Adjacent sequences: A110885 A110886 A110887 * A110889 A110890 A110891

Keyword

more,nonn

Author

David Garber, Sep 20 2005

Status

approved