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Search: id:A002192
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| A002192 |
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Inverse of the sum-of-divisors function (A000203).
(Formerly M0604 N0218)
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+0
4
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| 1, 2, 3, 5, 4, 7, 6, 9, 13, 8, 10, 19, 14, 12, 29, 16, 21, 22, 37, 18, 27, 20, 43, 33, 34, 28, 49, 24, 61, 32, 67, 30, 73, 45, 57, 44, 40, 36, 50, 42, 52, 101, 63, 85, 109, 91, 74, 54
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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This is least integer with the increasing sigma value A002191(n). For integers sorted on the ordered sigma values A007609(n), see A085790. - Lekraj Beedassy (blekraj(AT)yahoo.com), Oct 08 2004
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REFERENCES
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J. W. L. Glaisher, Number-Divisor Tables. British Assoc. Math. Tables, Vol. 8, Camb. Univ. Press, 1940, p. 85.
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..1000
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CROSSREFS
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A051444 is a better version of this sequence. See also A000203, A007626.
Sequence in context: A098311 A123883 A072062 this_sequence A072061 A095721 A101212
Adjacent sequences: A002189 A002190 A002191 this_sequence A002193 A002194 A002195
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KEYWORD
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nonn,nice,easy
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AUTHOR
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njas
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