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A100690
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a(n) = p * 5^p - 1 where p=prime(n).
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1
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49, 374, 15624, 546874, 537109374, 15869140624, 12969970703124, 362396240234374, 274181365966796874, 5401670932769775390624, 144354999065399169921874, 2692104317247867584228515624
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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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EXAMPLE
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a(1) = 2*5^2 - 1 = 49.
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MATHEMATICA
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PROG
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(PARI) main(m)=forprime(p=2, m, print1(p * 5^p - 1, ", ")) \\ Anders Hellström, Aug 27 2015
(Magma) [NthPrime(n) * 5^(NthPrime(n)) - 1: n in [1..20]]; // Vincenzo Librandi, Aug 27 2015
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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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