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A034683
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Unitary abundant numbers (usigma(n)>2n).
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11
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30, 42, 66, 70, 78, 102, 114, 138, 150, 174, 186, 210, 222, 246, 258, 282, 294, 318, 330, 354, 366, 390, 402, 420, 426, 438, 462, 474, 498, 510, 534, 546, 570, 582, 606, 618, 630, 642, 654, 660, 678, 690, 714, 726, 750, 762, 770, 780, 786, 798, 822, 834
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| If a term n in the sequence ends in neither 0 nor 5, then 10*n is also in the sequence. - Lekraj Beedassy (blekraj(AT)yahoo.com), Jun 11 2004
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REFERENCES
| C. Sung, Mathematical Buds, "Unitary Divisors", Chap. V pp. 42-67, Ed. H. D. Ruderman, Mu Alpha Theta OK 1978.
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LINKS
| Nathaniel Johnston, Table of n, a(n) for n = 1..10000
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CROSSREFS
| Cf. A034444, A034448, A129487.
Sequence in context: A160350 A053858 A075819 * A087248 A189759 A046401
Adjacent sequences: A034680 A034681 A034682 * A034684 A034685 A034686
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KEYWORD
| nonn
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AUTHOR
| Erich Friedman (erich.friedman(AT)stetson.edu)
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