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%I #7 Sep 21 2017 09:03:18
%S 1,-2,9,-64,560,-5370,53788,-555864
%N Fit a polynomial of degree k-1 to column k of array in A048790, evaluate it at dimension n = -1.
%C Might be thought of as number of rooted (-1)-dimensional "polycubes" with n cells, with no symmetries removed.
%D Dan Hoey, Bill Gosper and Richard C. Schroeppel, Discussions in Math-Fun Mailing list, circa Jul 13 1999.
%H R. C. Schroeppel, <a href="http://www.experimentalmath.info/workshop2004/schroeppel-talk.pdf">A few mathematical experiments</a>
%Y Cf. A094101, A048663-A048868.
%K sign
%O 1,2
%A _Dan Hoey_
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