A358216 - OEIS

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A358216

Inverse Möbius transform of A327936, where A327936 is multiplicative with a(p^e) = p if e >= p, otherwise 1.

1, 2, 2, 4, 2, 4, 2, 6, 3, 4, 2, 8, 2, 4, 4, 8, 2, 6, 2, 8, 4, 4, 2, 12, 3, 4, 6, 8, 2, 8, 2, 10, 4, 4, 4, 12, 2, 4, 4, 12, 2, 8, 2, 8, 6, 4, 2, 16, 3, 6, 4, 8, 2, 12, 4, 12, 4, 4, 2, 16, 2, 4, 6, 12, 4, 8, 2, 8, 4, 8, 2, 18, 2, 4, 6, 8, 4, 8, 2, 16, 9, 4, 2, 16, 4, 4, 4, 12, 2, 12, 4, 8, 4, 4, 4, 20, 2, 6, 6, 12

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OFFSET

1,2

COMMENTS

Multiplicative because A327936 is.

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..22680

Antti Karttunen, Data supplement: n, a(n) computed for n = 1..100000

FORMULA

a(n) = Sum_{d|n} A327936(d).

For all n >= 0, a(A276086(n)) = A324655(n).

For all n >= 1, a(n) >= A000005(n).