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Search: id:A088825
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| A088825 |
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Numbers n such that the sum of largest prime factors of numbers from 1 to n is divisible by n. |
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+0
5
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| 1, 2, 8, 9, 32, 62, 558, 993, 995, 1947, 2150, 4343, 9944, 10977, 43054658, 202275890, 2291937393, 2459073795, 2836929091, 3737529738
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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a(21) > 15*10^9. [From Donovan Johnson (donovan.johnson(AT)yahoo.com), Nov 01 2009]
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FORMULA
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Solutions to Mod[A088822[x], x]=0.
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CROSSREFS
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Cf. A088821-A088824.
Sequence in context: A163619 A166968 A075644 this_sequence A055678 A091793 A109351
Adjacent sequences: A088822 A088823 A088824 this_sequence A088826 A088827 A088828
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KEYWORD
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nonn,new
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Oct 22 2003
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EXTENSIONS
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More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 31 2003
a(17)-a(20) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Nov 01 2009
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