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A003967 Inverse Möbius transform of A003958. 1
1, 2, 3, 3, 5, 6, 7, 4, 7, 10, 11, 9, 13, 14, 15, 5, 17, 14, 19, 15, 21, 22, 23, 12, 21, 26, 15, 21, 29, 30, 31, 6, 33, 34, 35, 21, 37, 38, 39, 20, 41, 42, 43, 33, 35, 46, 47, 15, 43, 42, 51, 39, 53, 30, 55, 28, 57, 58, 59, 45, 61, 62, 49, 7, 65, 66, 67, 51, 69, 70, 71, 28, 73 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..73.

FORMULA

Multiplicative with a(p^e) = e+1 if p = 2; ((p-1)^(e+1)-1)/(p-2) if p > 2. - David W. Wilson, Sep 01 2001

CROSSREFS

Sequence in context: A181805 A212010 A328745 * A099209 A099208 A331299

Adjacent sequences:  A003964 A003965 A003966 * A003968 A003969 A003970

KEYWORD

nonn,mult

AUTHOR

Marc LeBrun

EXTENSIONS

More terms from David W. Wilson, Aug 29 2001

STATUS

approved

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Last modified April 12 12:39 EDT 2021. Contains 342920 sequences. (Running on oeis4.)