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Search: id:A063868
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A063868 Solutions to Phi[x + omega[x]] = Phi[x] + d[x], where Phi[] = A000010(), d[] = A000005() and omega[] = A001221(). +0
1
33, 72, 1293, 4187, 7169, 8466, 23086, 24881, 25019, 59987, 77057, 143369, 150419, 176715, 205727, 215069, 220817, 359499, 418307, 1239869 (list; graph; listen)
OFFSET

1,1

PROGRAM

(PARI) for(n=1, 10^7, if(eulerphi(n+omega(n))==eulerphi(n)+numdiv(n), print(n)))

CROSSREFS

Cf. A000010, A000005, A001221.

Sequence in context: A044516 A015722 A103046 this_sequence A049012 A137187 A134037

Adjacent sequences: A063865 A063866 A063867 this_sequence A063869 A063870 A063871

KEYWORD

more,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Aug 26 2001

EXTENSIONS

1239869 from Thomas Baruchel (baruchel(AT)users.sourceforge.net), Oct 19 2003

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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