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A131991
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1 + prime(n) + prime(n)^2 + prime(n)^3.
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8
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15, 40, 156, 400, 1464, 2380, 5220, 7240, 12720, 25260, 30784, 52060, 70644, 81400, 106080, 151740, 208920, 230764, 305320, 363024, 394420, 499360, 578760, 712980, 922180, 1040604, 1103440, 1236600, 1307020, 1455780, 2064640, 2265384
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| a(n) = 1 + A060800(n)*A000040(n).
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FORMULA
| a(n) = (A030514(n) - 1)/A006093(n).
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EXAMPLE
| a(4)=400 because the 4th prime is 7, 7^3=343, 7^2=49, and 343+49+7+1=400.
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MAPLE
| A131991:= n -> map (p -> p^(3)+p^(2)+p+1, ithprime(n)):
seq (A131991(n), n=1..32); # - Jani Melik, Jan 25 2011
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PROG
| (MAGMA) [ 1+NthPrime(n)+NthPrime(n)^2+NthPrime(n)^3: n in [1..40] ]; [From Vincenzo Librandi, Dec 27 2010]
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CROSSREFS
| Cf. A030078, A008864, A131992, A131993.
Sequence in context: A175926 A038991 A068020 * A116042 A103003 A024845
Adjacent sequences: A131988 A131989 A131990 * A131992 A131993 A131994
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KEYWORD
| nonn
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AUTHOR
| Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 06 2007
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