References to A072762

n coded as binary word of length=n with k-th bit set iff k is prime (1<=k<=n), decimal value.
0, 1, 3, 6, 13, 26, 53, 106, 212, 424, 849, 1698, 3397, 6794, 13588, 27176, 54353


2 seqfan posts

Fri Sep 16 03:50:26 CEST 2011    [seqfan] Re: Comments in A101333 are out of place
Thu Sep 15 22:16:35 CEST 2011    [seqfan] Comments in A101333 are out of place

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