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A094100
Fit a polynomial of degree k-1 to column k of array in A048790, evaluate it at dimension n = -1.
2
1, -2, 9, -64, 560, -5370, 53788, -555864
OFFSET
1,2
COMMENTS
Might be thought of as number of rooted (-1)-dimensional "polycubes" with n cells, with no symmetries removed.
REFERENCES
Dan Hoey, Bill Gosper and Richard C. Schroeppel, Discussions in Math-Fun Mailing list, circa Jul 13 1999.
CROSSREFS
KEYWORD
sign
AUTHOR
STATUS
approved