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A028476 Greatest k such that EulerPhi(k) = EulerPhi(n). 2
2, 2, 6, 6, 12, 6, 18, 12, 18, 12, 22, 12, 42, 18, 30, 30, 60, 18, 54, 30, 42, 22, 46, 30, 66, 42, 54, 42, 58, 30, 62, 60, 66, 60, 90, 42, 126, 54, 90, 60, 150, 42, 98, 66, 90, 46, 94, 60, 98, 66, 120, 90, 106, 54, 150, 90, 126, 58, 118, 60, 198, 62, 126, 120, 210, 66, 134 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A000010, A066659, A015126.

Sequence in context: A032139 A032043 A200561 * A179478 A051548 A110660

Adjacent sequences:  A028473 A028474 A028475 * A028477 A028478 A028479

KEYWORD

nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 12 2002

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Last modified February 14 23:16 EST 2012. Contains 205687 sequences.