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A074230 Numbers n such that A089509(n)=1. 1
1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 25, 27, 29, 31, 32, 36, 37, 38, 47, 48, 50, 53, 54, 55, 57, 58, 59, 62, 64, 65, 72, 74, 75, 76, 81, 83, 85, 87, 93, 94, 96, 100, 103, 106, 108, 109, 110, 111, 113, 114, 115, 116, 118, 121, 124, 128, 130, 131, 137, 139 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The original name was: Kronecker(7,y) == mu(gcd(7,y)).

LINKS

Matthew House, Table of n, a(n) for n = 1..10000

MAPLE

select(t -> numtheory:-jacobi(7, t)=1, [$1..1000]); # Robert Israel, Jul 24 2016

PROG

(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. A089509.

Sequence in context: A081491 A048716 A010434 * A064438 A227731 A067947

Adjacent sequences:  A074227 A074228 A074229 * A074231 A074232 A074233

KEYWORD

nonn

AUTHOR

Jon Perry, Sep 17 2002

EXTENSIONS

Name simplified by Robert Israel, Jul 24 2016.

STATUS

approved

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Last modified June 24 17:58 EDT 2019. Contains 324330 sequences. (Running on oeis4.)