A346616 -id:A346616 - cp's OEIS frontend

A346614 Inverse Moebius transform of A011772.

1, 4, 3, 11, 5, 9, 7, 26, 11, 12, 11, 24, 13, 17, 12, 57, 17, 25, 19, 34, 15, 25, 23, 54, 29, 28, 37, 31, 29, 37, 31, 120, 24, 36, 25, 48, 37, 41, 27, 64, 41, 48, 43, 64, 29, 49, 47, 117, 55, 60, 36, 74, 53, 78, 25, 94, 39, 60, 59, 82, 61, 65, 50, 247, 42, 52, 67, 59, 48

Offset: 1

N. J. A. Sloane, Aug 18 2021

nonn

N. J. A. Sloane, Transforms.

Cf. A011772, A344767, A344005, A346615, A346616.

A346615 Moebius transform of A344005.

Original entry on oeis.org

1, 0, 1, 2, 3, 0, 5, 4, 6, 0, 9, -1, 11, 0, 0, 8, 15, 0, 17, -2, -1, 0, 21, 1, 20, 0, 18, -1, 27, 0, 29, 16, 0, 0, 5, -1, 35, 0, -1, 7, 39, 0, 41, -1, -2, 0, 45, -1, 42, 0, 0, -2, 51, 0, -3, -4, -1, 0, 57, 11, 59, 0, 15, 32, 10, 0, 65, -2, 0, 0, 69, -5, 71, 0, -1, -1, 6, 0, 77, -8

Offset: 0

N. J. A. Sloane, Aug 18 2021

sign

N. J. A. Sloane, Transforms.

Cf. A011772, A344767, A346614, A344005, A346616.

f(n) = my(m=1); while ((m*(m+1))%n, m++); m; \\ A344005
a(n) = sumdiv(n, d, moebius(n/d)*f(d)); \\ Michel Marcus, Aug 19 2021

cp's OEIS Frontend

A346614 Inverse Moebius transform of A011772.

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