A280466 Number of distinct length-n blocks (a.k.a. subword complexity) of Möbius function mu(n) (A008683).

1, 3, 9, 27, 65, 179, 473, 1163, 2465, 6371, 15785, 36539

Offset

0,2

Links

Table of n, a(n) for n=0..11.

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

Adjacent sequences: A280463 A280464 A280465 * A280467 A280468 A280469

Keyword

nonn,more

Author

Jeffrey Shallit, Jan 03 2017

Extensions

a(10) from Jeffrey Shallit, Apr 17 2017

Status

approved