**a(1)=1. For n >=2, a(n) = the smallest integer > a(n-1) such that both a(n) and a(n)-a(n-1) have the same number of (nonleading) 0's when they are represented in binary.**

*1, 6, 7, 13, 22, 26, 44, 52, 88, 104, 176, 208, 352, 416, 704, 832, 1408, 1664, 2816*

*1 seqfan posts*

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

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