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A015875 Phi(n + 12) | sigma(n) + 12. 0
3, 6, 10, 12, 14, 15, 22, 24, 26, 30, 34, 42, 44, 46, 62, 69, 74, 82, 94, 106, 114, 118, 122, 134, 135, 146, 166, 194, 198, 202, 206, 214, 262, 282, 302, 314, 334, 346, 366, 382, 386, 446, 454, 466, 474, 502, 514, 526, 542, 554, 614, 622, 662, 694 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..54.

PROG

is(n)=!((sigma(n)+12)%eulerphi(n+12)) \\ Charles R Greathouse IV, Sep 25 2012

CROSSREFS

Sequence in context: A261662 A050107 A120068 * A301285 A310042 A310043

Adjacent sequences:  A015872 A015873 A015874 * A015876 A015877 A015878

KEYWORD

nonn

AUTHOR

Robert G. Wilson v

STATUS

approved

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Last modified March 19 11:10 EDT 2019. Contains 321329 sequences. (Running on oeis4.)