2^n - 1. (Sometimes called Mersenne numbers, although that name is usually reserved for A001348.)
0, 1, 3, 7, 15, 31, 63, 127, 255, 511, 1023, 2047, 4095, 8191, 16383, 32767, 65535
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
13 seqfan posts
Sat Dec 31 02:07:01 CET 2011 [seqfan] Misfortune with adding comment to A112492
Sat Oct 15 21:22:47 CEST 2011 [seqfan] binary tree sequences
Sat Aug 27 22:45:25 CEST 2011 [seqfan] Re: Number array not found in OEIS
Sat Aug 27 16:31:36 CEST 2011 [seqfan] Re: Number array not found in OEIS
Sat Aug 27 14:30:37 CEST 2011 [seqfan] Re: Number array not found in OEIS
Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java
Sat Oct 16 05:18:41 CEST 2010 [seqfan] Re: Do Mersenne primes ever divide A076078(n)?
Thu Oct 14 23:59:12 CEST 2010 [seqfan] Re: Do Mersenne primes ever divide A076078(n)?
Wed Oct 13 05:38:26 CEST 2010 [seqfan] Do Mersenne primes ever divide A076078(n)?
Tue Dec 15 02:58:04 CET 2009 [seqfan] Re: [math-fun] Divisibility sequences in OEIS.
Tue Dec 15 02:42:24 CET 2009 [seqfan] Re: [math-fun] Divisibility sequences in OEIS.
Sun Dec 13 19:54:06 CET 2009 [seqfan] Re: [math-fun] Divisibility sequences in OEIS.
Thu Aug 13 22:36:32 CEST 2009 [seqfan] Re: Rant on Maple code
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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