G.f. (x-1)*(1+x^2)*(x^4+2*x^3-x^2+1)*(x+1)^2/((x^4+x^2-1)*(x^8-x^6+2*x^4+x^2+1)).
1, 1, 1, 1, 2, 0, 5, 3, 7, 3, 8, 0, 21, 13, 29, 13, 34, 0, 89, 55, 123, 55, 144, 0, 377
1 seqfan posts
Thu Nov 19 17:19:12 CET 2009 [seqfan] detective work related to Creighton Dement's "Floretions"