Expansion of (x^2+1)*(x+1)^2/((x-1)*(x^2+x+1)*(x^2+2*x-1)).
1, 4, 11, 29, 72, 175, 425, 1028, 2483, 5997, 14480, 34959, 84401, 203764, 491931
1 seqfan posts
Thu Nov 19 17:19:12 CET 2009 [seqfan] detective work related to Creighton Dement's "Floretions"