A067461 a(n) = mu(prime(n)+1)+1.

0, 1, 2, 1, 1, 2, 1, 1, 1, 0, 1, 2, 0, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 2, 1, 1, 0, 1, 0, 1, 2, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 2, 0, 1, 1, 1, 1, 2, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 2, 2, 0, 0, 1, 2, 1, 0, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 1

Offset

1,3

Links

Table of n, a(n) for n=1..105.

Crossrefs

Cf. A000040, A008683 (mu).

Sequence in context: A015491 A015776 A176047 * A321765 A328310 A136673

Adjacent sequences: A067458 A067459 A067460 * A067462 A067463 A067464

Keyword

easy,nonn,changed

Author

Benoit Cloitre, Feb 23 2002

Status

approved