A074910 Moebius function applied to A053422.

1, 1, 0, 0, -1, 0, -1, 0, 0, 1, -1, 0, 1, 1, 0, 0, -1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, -1, 0, 1, -1, 0, 0, -1, 0, -1, 0, 0, 1, -1, 0, 0, 0, 0, 0, -1, 0, 1, 0, 0, 1, -1, 0, 1, -1, 0, 0, -1, 0, 1, 0, 0, -1, -1, 0, 1, -1, 0, 0, 1, 0, -1, 0

Offset

1

Links

Table of n, a(n) for n=1..80.

Formula

a(n) = A008683(A053422(n)).

Maple

seq(numtheory[mobius](n*(10^n - 1)/9), n=1..38);

Crossrefs

Cf. A008683, A053422.

Sequence in context: A341754 A074711 A004585 * A319448 A365428 A156277

Adjacent sequences: A074907 A074908 A074909 * A074911 A074912 A074913

Keyword

easy,sign,changed

Author

Jani Melik, Oct 01 2002

Extensions

More terms from Sean A. Irvine, Feb 02 2025

Status

approved