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A080400 Largest squarefree number dividing phi of n. +0
1
1, 1, 2, 2, 2, 2, 6, 2, 6, 2, 10, 2, 6, 6, 2, 2, 2, 6, 6, 2, 6, 10, 22, 2, 10, 6, 6, 6, 14, 2, 30, 2, 10, 2, 6, 6, 6, 6, 6, 2, 10, 6, 42, 10, 6, 22, 46, 2, 42, 10, 2, 6, 26, 6, 10, 6, 6, 14, 58, 2, 30, 30, 6, 2, 6, 10, 66, 2, 22, 6, 70, 6, 6, 6, 10, 6, 30, 6, 78, 2, 6, 10, 82, 6, 2, 42, 14, 10, 22 (list; graph; listen)
OFFSET

1,3

FORMULA

a(n)=A007947[A000005(n)]

CROSSREFS

Cf. A007947, A000005.

Sequence in context: A164126 A163368 A151948 this_sequence A119462 A096625 A103222

Adjacent sequences: A080397 A080398 A080399 this_sequence A080401 A080402 A080403

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Mar 19 2003

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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