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A074226 Kronecker(3,y)==mu(gcd(3,y)). +0
1
1, 4, 10, 11, 13, 14, 16, 23, 25, 34, 35, 37, 38, 40, 44, 47, 49, 52, 56, 58, 59, 61, 62, 64, 71, 73, 82, 83, 85, 86, 92, 95, 97, 100, 106, 107, 109, 110, 119, 121, 130, 131, 133, 134, 136, 140, 143, 145, 148, 152, 154, 155, 157, 158, 160, 167, 169, 176, 178, 179 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n) seems to be asymptotic to c*n with c=3 - Benoit Cloitre (benoit7848c(AT)orange.fr), Sep 18 2002

PROGRAM

(PARI) for (x=1, 200, for (y=1, 200, if (kronecker(x, y)==moebius(gcd(x, y)), write("km.txt", x, "; ", y, " : ", kronecker(x, y)))))

CROSSREFS

Cf. A074227, A047209, A074229, etc.

Sequence in context: A111072 A045855 A102535 this_sequence A106631 A120261 A101154

Adjacent sequences: A074223 A074224 A074225 this_sequence A074227 A074228 A074229

KEYWORD

nonn

AUTHOR

Jon Perry (perry(AT)globalnet.co.uk), Sep 17 2002

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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