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A135484
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a(n) = Sum_{i=1..n} i^prime(i), where prime(i) denotes i-th prime number.
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2
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1, 9, 252, 16636, 48844761, 13109538777, 232643623525984, 144347831699381856, 8863082467484200477785, 100000008863082467484200477785, 192043424966613562971631041769596
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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Accumulate[Table[n^Prime[n], {n, 15}]] (* Harvey P. Dale, Nov 30 2023 *)
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PROG
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(PARI) a(n) = sum(k=1, n, k^prime(k)); \\ Michel Marcus, Oct 15 2016
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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