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A002396 Inverse of reduced totient function.
(Formerly M2428 N0961)
+0
3
1, 3, 5, 7, 32, 11, 13, 17, 19, 25, 23, 224, 29, 31, 128, 37, 41, 43, 115, 47, 119, 53, 81, 928, 59, 61, 256, 67, 71, 73, 79, 187, 83, 203, 89, 209, 235, 97, 101, 103, 1696, 107, 109, 121, 113, 295, 287, 127, 512, 131, 299, 137, 139, 319, 323, 149, 151, 157, 1408 (list; graph; listen)
OFFSET

1,2

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

D. H. Lehmer, Guide to Tables in the Theory of Numbers. Bulletin No. 105, National Research Council, Washington, DC, 1941, pp. 7-10.

C. Moreau, Sur quelques theoremes d'arithmetique, Nouvelles Annales de Math\'{e}matiques, 17 (1898), 293-307.

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

CROSSREFS

Sequence in context: A124077 A006378 A162714 this_sequence A029508 A095714 A137864

Adjacent sequences: A002393 A002394 A002395 this_sequence A002397 A002398 A002399

KEYWORD

nonn,nice,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from Brent Lehman (mailbjl(AT)yahoo.com), Apr 26 2005

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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