login
A127684
Number of non-isomorphic (i.e., defined up to a rotation and a reflection) maximal independent sets of the n-cycle graph having n isomorphic representatives.
0
0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 2, 2, 3, 3, 2, 5, 5, 6, 7, 9, 7, 13, 12, 16, 15, 24, 19, 32, 28, 44, 37, 58, 46, 81, 63, 104, 86, 145, 110, 189, 151, 257, 200, 339, 260, 460, 351, 599, 464, 813, 610, 1069, 816, 1431, 1078, 1889, 1424, 2530, 1897, 3323, 2513, 4452, 3319
OFFSET
1,11
FORMULA
a(n) = (Sum(d divides n) mu(n/d) A127682(d)) + (A127683(n/2)*[n even]).
a(n) = (Sum(d divides n) mu(n/d) A127682(d)) + (A127683(n/2)*[n even])
CROSSREFS
Sequence in context: A211707 A303363 A045796 * A036012 A084401 A236465
KEYWORD
easy,nonn
AUTHOR
Jean-Luc Marichal (jean-luc.marichal(AT)uni.lu), Jan 24 2007
STATUS
approved