A346476 a(n) = 2*n - A250469(n).

1, 1, 1, -1, 3, -3, 3, -5, -7, -7, 9, -9, 9, -11, -5, -13, 15, -15, 15, -17, -13, -19, 17, -21, 1, -23, -11, -25, 27, -27, 25, -29, -19, -31, -7, -33, 33, -35, -17, -37, 39, -39, 39, -41, -25, -43, 41, -45, -23, -47, -23, -49, 47, -51, 19, -53, -31, -55, 57, -57, 55, -59, -29, -61, 11, -63, 63, -65, -37

Offset: 1

Author

Antti Karttunen, Jul 29 2021

Keywords

• sign
• look

Links

• Antti Karttunen, Table of n, a(n) for n = 1..10000
• Index entries for sequences generated by sieves

Crossrefs

Cf. A000040, A033879, A062234, A250469, A252748, A280692, A346473, A346477 (Dirichlet inverse), A346478, A347378.

Programs

PARI

A346476(n) = (n+n-A250469(n));

Formula

a(n) = A280692(n) - A252748(n).

a(n) = A033879(n) - A346473(n).

a(n) = A346478(n) - A346477(n).

a(n) = n - A347378(n).

a(A000040(n)) = -A252748(A000040(n)) = -A346477(A000040(n)) = A062234(n).