A092410 a(n) = moebius(n)+moebius(n+1).

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

Offset

1,2

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Formula

a(A074819(n)) = a(A068781(n)) = 0. - Reinhard Zumkeller, Sep 04 2015

Maple

with(numtheory): seq(mobius(n)+mobius(n+1), n=1..110); # Emeric Deutsch, Feb 28 2005

Mathematica

Table[MoebiusMu[n] + MoebiusMu[n+1], {n, 1, 100}] (* Amiram Eldar, Sep 09 2022 *)

Prog

(PARI) for (i=1, 60, print1(", "moebius(i)+moebius(i+1)))
(Haskell)
a092410 n = a092410_list !! (n-1)
a092410_list = zipWith (+) a008683_list $ tail a008683_list
-- Reinhard Zumkeller, Sep 04 2015

Crossrefs

Cf. A008683.

Cf. A068781, A074819 (positions of 0's).

Sequence in context: A328712 A374252 A319368 * A100204 A073779 A081227

Adjacent sequences: A092407 A092408 A092409 * A092411 A092412 A092413

Keyword

sign,easy

Author

Jon Perry, Mar 22 2004

Extensions

More terms from Emeric Deutsch, Feb 28 2005

Status

approved