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A335876
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a(1) = 2, and for n > 1, a(n) = n + (n/p), where p is largest prime dividing n, A006530(n).
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7
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2, 3, 4, 6, 6, 8, 8, 12, 12, 12, 12, 16, 14, 16, 18, 24, 18, 24, 20, 24, 24, 24, 24, 32, 30, 28, 36, 32, 30, 36, 32, 48, 36, 36, 40, 48, 38, 40, 42, 48, 42, 48, 44, 48, 54, 48, 48, 64, 56, 60, 54, 56, 54, 72, 60, 64, 60, 60, 60, 72, 62, 64, 72, 96, 70, 72, 68, 72, 72, 80, 72, 96, 74, 76, 90, 80, 84, 84, 80, 96, 108, 84, 84
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OFFSET
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1,1
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LINKS
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FORMULA
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MATHEMATICA
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PROG
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(PARI) A335876(n) = if(1==n, 2, n + (n/vecmax(factor(n)[, 1])));
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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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