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A324046 a(n) = gcd(n, A106316(n)). 5
1, 1, 1, 1, 1, 6, 1, 2, 1, 2, 1, 4, 1, 2, 3, 2, 1, 6, 1, 4, 1, 2, 1, 12, 1, 2, 1, 28, 1, 6, 1, 1, 3, 2, 1, 3, 1, 2, 1, 10, 1, 6, 1, 4, 9, 2, 1, 12, 1, 1, 3, 2, 1, 18, 1, 8, 1, 2, 1, 12, 1, 2, 3, 1, 1, 6, 1, 2, 3, 2, 1, 12, 1, 2, 3, 4, 1, 6, 1, 8, 3, 2, 1, 28, 1, 2, 3, 4, 1, 18, 7, 4, 1, 2, 5, 48, 1, 1, 9, 4, 1, 6, 1, 2, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..20000

FORMULA

a(n) = gcd(n, A106316(n)).

PROG

(PARI)

A106315(n) = (n*numdiv(n) % sigma(n));

A106316(n) = (A106315(n) % n);

A324046(n) = gcd(n, A106316(n));

CROSSREFS

Cf. A000005, A000203, A106315, A106316, A324045, A324047.

Sequence in context: A111825 A085552 A002950 * A244059 A121090 A321991

Adjacent sequences:  A324043 A324044 A324045 * A324047 A324048 A324049

KEYWORD

nonn

AUTHOR

Antti Karttunen, Feb 13 2019

STATUS

approved

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Last modified January 28 00:32 EST 2020. Contains 331313 sequences. (Running on oeis4.)