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A280466
Number of distinct length-n blocks (a.k.a. subword complexity) of Möbius function mu(n) (A008683).
4
1, 3, 9, 27, 65, 179, 473, 1163, 2465, 6371, 15785, 36539
OFFSET
0,2
EXAMPLE
For n = 4 the 16 blocks that do not occur are those containing no 0, so there are 81 - 16 = 65 of them.
CROSSREFS
Cf. A008683.
Cf. A280468, which gives the length of the shortest prefix containing all the length-n blocks.
Sequence in context: A260938 A274626 A161712 * A137368 A360703 A191007
KEYWORD
nonn,more
AUTHOR
Jeffrey Shallit, Jan 03 2017
EXTENSIONS
a(10) from Jeffrey Shallit, Apr 17 2017
STATUS
approved