**a(n) = number of distinct (infinite) output sequences from binary n-stage shift register which feeds back the complement of the last stage. E.g. for n=6 there are 6 such sequences.**

*1, 1, 1, 2, 2, 4, 6, 10, 16, 30, 52, 94, 172, 316, 586, 1096, 2048, 3856, 7286, 13798*

*2 seqfan posts*

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

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