id:A051168 - OEIS Search Results

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Triangular array T read by rows: T(h,k) = number of classes of aperiodic binary words of k 1's and h-k 0's; words u,v are in the same class if v is a cyclic permutation of u (e.g. u=111000, v=110001) and a word is aperiodic if not a juxtaposition of 2 or more identical subwords.

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1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 2, 2, 1, 0, 0, 1, 2, 3, 2, 1, 0, 0, 1, 3, 5, 5, 3, 1, 0, 0, 1, 3, 7, 8, 7, 3, 1, 0, 0, 1, 4, 9, 14, 14, 9, 4, 1, 0, 0, 1, 4, 12, 20, 25, 20, 12, 4, 1, 0, 0, 1, 5, 15, 30, 42, 42, 30, 15, 5, 1, 0, 0, 1, 5, 18, 40, 66, 75, 66, 40, 18, 5, 1, 0, 0, 1, 6 (list; table; graph; listen)

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

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