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A319690 Fully multiplicative with a(p^e) = (p mod 3)^e. 6
1, 2, 0, 4, 2, 0, 1, 8, 0, 4, 2, 0, 1, 2, 0, 16, 2, 0, 1, 8, 0, 4, 2, 0, 4, 2, 0, 4, 2, 0, 1, 32, 0, 4, 2, 0, 1, 2, 0, 16, 2, 0, 1, 8, 0, 4, 2, 0, 1, 8, 0, 4, 2, 0, 4, 8, 0, 4, 2, 0, 1, 2, 0, 64, 2, 0, 1, 8, 0, 4, 2, 0, 1, 2, 0, 4, 2, 0, 1, 32, 0, 4, 2, 0, 4, 2, 0, 16, 2, 0, 1, 8, 0, 4, 2, 0, 1, 2, 0, 16, 2, 0, 1, 8, 0, 4, 2, 0, 1, 8, 0, 16, 2, 0, 4, 8, 0, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..65537

PROG

(PARI) A319690(n) = { my(f=factor(n)); prod(i=1, #f~, (f[i, 1]%3)^f[i, 2]); };

CROSSREFS

Cf. A065338, A319691.

Sequence in context: A226240 A109468 A331032 * A341419 A185879 A081880

Adjacent sequences:  A319687 A319688 A319689 * A319691 A319692 A319693

KEYWORD

nonn,mult

AUTHOR

Antti Karttunen, Oct 04 2018

STATUS

approved

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Last modified June 18 20:45 EDT 2021. Contains 345121 sequences. (Running on oeis4.)