References to A011764

3^(2^n) (or: write in base 3, read in base 9).
3, 9, 81, 6561, 43046721, 1853020188851841


3 seqfan posts

Tue Oct 6 20:10:31 CEST 2009    [seqfan] Re: A family of quadratic recurrences
Thu Oct 1 11:53:46 CEST 2009    [seqfan] Re: A family of quadratic recurrences
Wed Sep 30 21:24:26 CEST 2009    [seqfan] Re: A family of quadratic recurrences

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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