References to A097949

G.f.: (2+7*x-x^3)/(1+4*x-4*x^3-x^4).
2, 1, 4, 9, 34, 121, 452, 1681, 6274, 23409, 87364, 326041, 1216802

1 seqfan posts

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 .