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A344768
a(n) = n - A344767(n); Möbius transform of A344765.
3
0, 0, 2, 0, 2, 7, 2, 0, 3, 12, 2, 11, 2, 15, 15, 0, 2, 19, 2, 13, 22, 23, 2, 25, 5, 28, 9, 32, 2, 19, 2, 0, 33, 36, 30, 41, 2, 39, 40, 48, 2, 28, 2, 27, 47, 47, 2, 47, 7, 50, 51, 29, 2, 53, 58, 23, 58, 60, 2, 72, 2, 63, 48, 0, 55, 66, 2, 72, 69, 63, 2, 24, 2, 76, 76, 43, 71, 77, 2, 47, 27, 84, 2, 57, 70, 87, 87, 96, 2, 73
OFFSET
1,3
FORMULA
a(n) = n - A344767(n) = n - Sum_{d|n} A008683(n/d) * A011772(d).
a(n) = Sum_{d|n} A008683(n/d) * A344765(d).
PROG
(PARI)
A344767(n) = sumdiv(n, d, moebius(n/d)*A011772(d));
A344768(n) = (n-A344767(n));
CROSSREFS
KEYWORD
nonn,look
AUTHOR
Antti Karttunen, May 30 2021
STATUS
approved