References to A005159

3^n*Catalan(n).
1, 3, 18, 135, 1134, 10206, 96228, 938223, 9382230, 95698746, 991787004

1 seqfan posts

Mon Mar 30 10:46:52 CEST 2009    [seqfan] Re: Divisibilty sequences
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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