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A115414
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Odd abundant numbers not divisible by 3.
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2
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5391411025, 26957055125, 28816162375, 33426748355, 34393484125, 37739877175, 40342627325, 48150877775, 50866790975, 53356378075, 55959128225, 59305521275, 60711976325, 61164628525, 63395557225
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Donovan Johnson, Table of n, a(n) for n = 1..394 (terms < 10^12)
Eric Weisstein's World of Mathematics, Abundant Number
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EXAMPLE
| a(1)=5391411025 because it is the smallest abundant number (Sigma(n)/n =~ 2.003) that is not divisible by 2 or 3.
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CROSSREFS
| Cf. A005101, A005231, A064001, A112640, A112644.
Sequence in context: A017409 A017529 A133688 * A112430 A058416 A114260
Adjacent sequences: A115411 A115412 A115413 * A115415 A115416 A115417
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KEYWORD
| nonn
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AUTHOR
| Sergio Pimentel (ferdiego(AT)cox.net), Mar 08 2006
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EXTENSIONS
| Added missing term 55959128225 and a(14)-a(16) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Dec 29 2008
a(17)-a(20) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Dec 01 2011
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