A324542 - OEIS

A324542

Möbius transform of A324118, where A324118(n) = A000593(A156552(n)).

0, 1, 1, 3, 1, 4, 1, 4, 3, 11, 1, 3, 1, 16, 4, 16, 1, 5, 1, 4, 11, 46, 1, 8, 3, 82, 4, 27, 1, 10, 1, 8, 16, 174, 4, 20, 1, 256, 46, 32, 1, 4, 1, 17, 3, 798, 1, 8, 3, 15, 82, 45, 1, 12, 11, 20, 174, 1300, 1, 2, 1, 2734, 4, 72, 16, 27, 1, 125, 256, 8, 1, 20, 1, 4354, 5, 363, 4, 25, 1, 8, 16, 10926, 1, 53, 46, 20518, 798, 168, 1, 35, 11, 317

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OFFSET

1,4

COMMENTS

The first three zeros after a(1) occur at n = 192, 288, 3645.

The first negative term is a(150) = -1. There are 184 negative terms among the first 4473 terms.

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..4473

Index entries for sequences computed from indices in prime factorization

Index entries for sequences related to sigma(n)

FORMULA

a(n) = Sum_{d|n} A008683(n/d) * A324118(d).