3*2^n-1.
2, 5, 11, 23, 47, 95, 191, 383, 767, 1535, 3071, 6143, 12287, 24575, 49151, 98303
2 seqfan posts
Fri Oct 21 21:18:09 CEST 2011 [seqfan] Re: Problem with A086224 cross refs
Fri Oct 21 21:03:15 CEST 2011 [seqfan] Problem with A086224 cross refs
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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