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A226589
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Numbers n such that sigma(n) >= sigma(n-2) + sigma(n-1) + sigma(n+1) + sigma(n+2).
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1
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183783600, 232792560, 273873600, 367567200, 410810400, 441080640, 465585120, 547747200, 551350800, 575134560, 612612000, 616215600, 698377680, 735134400, 745945200, 821620800, 845404560, 882161280, 908107200, 931170240, 944863920, 958557600, 1102701600, 1127206080
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OFFSET
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1,1
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COMMENTS
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Among first 1000 terms all are such that sigma(n) > sigma(n-2) + sigma(n-1) + sigma(n+1) + sigma(n+2). - Alex Ratushnyak, Jun 16 2013
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LINKS
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EXAMPLE
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Sigma(183783598...183783602) = {275675400, 194528880, 929940480, 183783602, 275737500}. Because 929940480 > 275675400 + 194528880 + 183783602 + 275737500, 183783600 is in the sequence.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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