References to A000180

Expansion of e^(-x)/(1-3x).
1, 2, 13, 116, 1393, 20894, 376093, 7897952, 189550849, 5117872922

1 seqfan posts

Fri Oct 29 05:35:16 CEST 2010    [seqfan] Implementing first 500 sequences in Java
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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