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Search: id:A079541
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A079541 Numbers n such that phi(n) = d(n). +0
1
1, 3, 8, 10, 24, 30 (list; graph; listen)
OFFSET

1,2

REFERENCES

D. S. Mitrinovic et al., Handbook of Number Theory, Kluwer, p. 11.

CROSSREFS

Cf. A000010, A000005, A063070.

Sequence in context: A131725 A032914 A088072 this_sequence A046545 A108752 A020680

Adjacent sequences: A079538 A079539 A079540 this_sequence A079542 A079543 A079544

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jan 23 2003

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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