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J. Shallit, Hamming distance for conjugates. Discrete Mathematics 309(12): 4197-4199 (2009)
Table of n, a(n) for n=1..17.
For n = 3 the a(3) = 6 solutions are all 8 strings except 000, 111
Sequence in context: A081375 A024701 A224532 * A038199 A056267 A133996
Adjacent sequences: A179671 A179672 A179673 * A179675 A179676 A179677
Jeffrey Shallit, Jan 09 2011