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A138401
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a(n) = (n-th prime)^4)-(n-th prime).
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14
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14, 78, 620, 2394, 14630, 28548, 83504, 130302, 279818, 707252, 923490, 1874124, 2825720, 3418758, 4879634, 7890428, 12117302, 13845780, 20151054, 25411610, 28398168, 38950002, 47458238, 62742152, 88529184, 104060300, 112550778
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Differences p^k-p^m such that k > m:
p^2-p is given in A036689
p^3-p is given in A127917
p^3-p^2 is given in A135177
p^4-p^2 is given in A138402
p^4-p^3 is given in A138403
p^5-p is given in A138404
p^5-p^2 is given in A138405
p^5-p^3 is given in A138406
p^5-p^4 is given in A138407
p^6-p is given in A138408
p^6-p^2 is given in A138409
p^6-p^3 is given in A138410
p^6-p^4 is given in A138411
p^6-p^5 is given in A138412
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 1..200
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MATHEMATICA
| Table[p = Prime[n]; p^4 - p, {n, 50}]
#^4-#&/@Prime[Range[30]] (* From Harvey P. Dale, Aug 14 2011 *)
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PROG
| (PARI) forprime(p=2, 1e3, print1(p^4-p", ")) \\ Charles R Greathouse IV, Jun 16 2011
(MAGMA) [NthPrime((n))^4 - NthPrime(n): n in [1..50] ]; // Vincenzo Librandi, Jun 17 2011
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CROSSREFS
| Sequence in context: A044582 A058895 A166842 * A099360 A199912 A082971
Adjacent sequences: A138398 A138399 A138400 * A138402 A138403 A138404
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KEYWORD
| nonn,easy
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Mar 19 2008
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