References to A111640

Expansion of (-1+3*x+x^2-x^3)/((x^2+4*x+1)*(x^2-2*x-1)).
1, 9, 45, 195, 793, 3117, 12013, 45751, 172961, 650849, 2441917, 9144539

1 seqfan posts

Thu Nov 19 17:19:12 CET 2009    [seqfan] detective work related to Creighton Dement's "Floretions"
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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