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A351367
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a(n) = Sum_{p|n, p prime} p^nextprime(p), where nextprime(n) is the smallest prime > n.
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0
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0, 8, 243, 8, 78125, 251, 1977326743, 8, 243, 78133, 34522712143931, 251, 8650415919381337933, 1977326751, 78368, 8, 239072435685151324847153, 251, 257829627945307727248226067259, 78133, 1977326986, 34522712143939, 3091058643093537522799545838540043339063, 251, 78125
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OFFSET
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1,2
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LINKS
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EXAMPLE
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a(6) = 251; a(6) = Sum_{p|6} p^nextprime(p) = 2^nextprime(2) + 3^nextprime(3) = 2^3 + 3^5 = 251.
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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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