Expansion of (-1+x+2*x^2-6*x^3+x^4+x^5)/((x-1)*(x^2-x+1)*(x^2-2*x-1)*(x+1)^2).
1, 3, 6, 11, 27, 60, 141, 337, 808, 1943, 4687, 11306, 27287, 65869
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Thu Nov 19 17:19:12 CET 2009 [seqfan] detective work related to Creighton Dement's "Floretions"