Expansion of (1+3x)/(1-3x).
1, 6, 18, 54, 162, 486, 1458, 4374, 13122, 39366, 118098, 354294, 1062882
5 seqfan posts
Fri Aug 27 12:07:48 CEST 2010 [seqfan] Re: A099856 comes up
Thu Aug 26 19:16:33 CEST 2010 [seqfan] Re: A099856 comes up
Thu Aug 26 18:21:25 CEST 2010 [seqfan] Re: A099856 comes up
Thu Aug 26 17:40:00 CEST 2010 [seqfan] A099856 comes up
Sun Sep 13 18:42:04 CEST 2009 [seqfan] Re: Duplicates
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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