Expansion of (3*x+1)/(1-3*x-3*x^2).
1, 6, 21, 81, 306, 1161, 4401, 16686, 63261, 239841, 909306, 3447441, 13070241
2 seqfan posts
Thu Nov 19 17:19:12 CET 2009 [seqfan] detective work related to Creighton Dement's "Floretions"
Sun Jan 11 23:36:02 CET 2009 [seqfan] Index of linear recurrences
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
Links to OEIS content are included according to
The OEIS End-User License Agreement
.