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A006206 Number of aperiodic binary necklaces of length n with no subsequence 00, excluding the necklace "0".
(Formerly M0317)
+0
11
1, 1, 1, 1, 2, 2, 4, 5, 8, 11, 18, 25, 40, 58, 90, 135, 210, 316, 492, 750, 1164, 1791, 2786, 4305, 6710, 10420, 16264, 25350, 39650, 61967, 97108, 152145, 238818, 374955, 589520, 927200, 1459960, 2299854, 3626200, 5720274, 9030450, 14263078 (list; graph; listen)
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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.


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