**a(n) = the smallest positive integer not occurring earlier in the sequence such that sum{k=1 to n} a(k) written in binary contains binary n as a substring.**

*1, 3, 2, 6, 8, 4, 5, 11, 10, 24, 12, 13, 7, 9, 28, 17, 36, 14, 20, 46, 22, 44, 25, 18, 15, 16*

*4 seqfan posts*

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

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