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A002076
Number of equivalence classes of base-3 necklaces of length n, where necklaces are considered equivalent under both rotations as well as permutations of the symbols.
(Formerly M0761 N0288)
+0
7
1, 2, 3, 6, 9, 26, 53, 146, 369, 1002, 2685, 7434, 20441, 57046, 159451, 448686, 1266081, 3588002, 10195277, 29058526, 83018783, 237740670, 682196949, 1961331314, 5648590737, 16294052602, 47071590147, 136171497650
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 11 12:57 EST 2009. Contains 170656 sequences.
AT&T Labs Research
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