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A084300 a(n) = phi(n) mod 6. 4
1, 1, 2, 2, 4, 2, 0, 4, 0, 4, 4, 4, 0, 0, 2, 2, 4, 0, 0, 2, 0, 4, 4, 2, 2, 0, 0, 0, 4, 2, 0, 4, 2, 4, 0, 0, 0, 0, 0, 4, 4, 0, 0, 2, 0, 4, 4, 4, 0, 2, 2, 0, 4, 0, 4, 0, 0, 4, 4, 4, 0, 0, 0, 2, 0, 2, 0, 2, 2, 0, 4, 0, 0, 0, 4, 0, 0, 0, 0, 2, 0, 4, 4, 0, 4, 0, 2, 4, 4, 0, 0, 2, 0, 4, 0, 2, 0, 0, 0, 4, 4, 2, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = A000010(n) mod 6.

PROG

(PARI) A084300(n) = (eulerphi(n)%6); \\ Antti Karttunen, Aug 22 2017

CROSSREFS

Cf. A000010, A054763, A074942, A084299, A084301.

Sequence in context: A033746 A033738 A033734 * A080917 A033726 A126768

Adjacent sequences:  A084297 A084298 A084299 * A084301 A084302 A084303

KEYWORD

easy,nonn

AUTHOR

Labos Elemer, Jun 02 2003

STATUS

approved

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Last modified April 17 16:12 EDT 2021. Contains 343063 sequences. (Running on oeis4.)