**Reversing binary representation of n. Converting sum of powers of 2 in binary representation of a(n) to alternating sum gives n.**

*1, 2, 7, 4, 13, 14, 11, 8, 25, 26, 31, 28, 21, 22, 19, 16, 49, 50, 55, 52, 61, 62, 59, 56*

*1 seqfan posts*

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

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