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A096536
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Numbers n such that n, n+1, n+2 are all abundant.
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1
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171078830, 268005374, 321893648, 336038624, 487389824, 600350750, 663249950, 668645054, 938109248, 1053424448, 1079741024, 1102433408, 1139364224, 1148927624, 1267293950, 1275861950, 1310259950, 1344330350, 1352253824
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The entries shown are all even, the first odd n would have to have sigma(n*(n+2)) >4 so n> 10^19.
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LINKS
| Donovan Johnson, Table of n, a(n) for n = 1..1000
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EXAMPLE
| For 171078830= 2*5*13*23*29*1973, sigma(n)/n=2.09355, for 171078831= 3^3*7*11*19*61*71, sigma(n)/n=2.00396 and for 171078832=2^4*31*344917, sigma(n)/n=2.00000579
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CROSSREFS
| Sequence in context: A172590 A172693 A172784 * A104331 A187316 A003850
Adjacent sequences: A096533 A096534 A096535 * A096537 A096538 A096539
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KEYWORD
| nonn
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AUTHOR
| John L. Drost (drost(AT)marshall.edu), Aug 13 2004
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EXTENSIONS
| a(15)-a(19) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Dec 29 2008
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