a(n+3) = 2a(n+2) - 3a(n+1) + 2a(n); a(0) = 1, a(1) = -1, a(2) = -2.
1, 1, 2, 1, 6, 5, 6, 15, 2, 29, 34, 23, 90, 43, 138, 225, 50, 499, 398, 601
1 seqfan posts
Thu Nov 19 17:19:12 CET 2009 [seqfan] detective work related to Creighton Dement's "Floretions"