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A268062
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a(n) = Sum_{k=1..n} prime(k+1)^prime(k).
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0
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9, 134, 16941, 19504112, 1792179898149, 9906370212804086, 5480396764155014990025, 74620951324354865576898512, 4316720792370367095095683949638501, 17761887757410618772194137156551786713472772, 4113915065494528452775640793448453170290434881585
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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a(3) = 3^2+5^3+7^5 = 16941.
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MATHEMATICA
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Table[Sum[Prime[k+1]^Prime[k], {k, 1, n}], {n, 1, 12}] (* Vaclav Kotesovec, Jan 25 2016 *)
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PROG
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(Sage) [sum(nth_prime(i+1)^nth_prime(i) for i in [1..n]) for n in [1..15]] # Tom Edgar, Jan 25 2016
(Magma) [&+[NthPrime(k+1)^NthPrime(k): k in [1..n]]: n in [1..12]]; // Vincenzo Librandi, Jan 26 2016
(PARI) a(n) = sum(k=1, n, prime(k+1)^prime(k)); \\ Michel Marcus, Jan 26 2016
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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