Numbers which can be represented as a string of three or more 1's in a base >=2.
7, 13, 15, 21, 31, 40, 43, 57, 63, 73, 85, 91, 111, 121, 127, 133, 156, 157, 183, 211
4 seqfan posts
Thu Nov 12 17:08:02 CET 2009 [seqfan] Re: Another surprising omission from OEIS
Thu Nov 12 09:29:18 CET 2009 [seqfan] Re: Another surprising omission from OEIS
Thu Nov 12 09:22:17 CET 2009 [seqfan] Re: Another surprising omission from OEIS
Wed Nov 11 03:26:45 CET 2009 [seqfan] Re: Another surprising omission from OEIS
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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