References to A068156

G.f.: (x+2)*(x+1)/((x-1)*(x-2)) = Sum(n=0,inf,a(n)*(x/2)^n).
1, 3, 9, 21, 45, 93, 189, 381, 765, 1533, 3069, 6141, 12285, 24573, 49149, 98301


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
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