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Search: id:A138401
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| A138401 |
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a(n) = (n-th prime)^4)-(n-th prime). |
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+0
56
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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; listen)
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OFFSET
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1,1
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COMMENT
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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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MATHEMATICA
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a = {}; Do[p = Prime[n]; AppendTo[a, p^4 - p], {n, 1, 50}]; a
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CROSSREFS
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Cf. A036689, A127917, A135177, A138402, A138403, A138404, A138405, A138406, A138407, A138408, A138409, A138410, A138411, A138412.
Sequence in context: A044201 A044582 A058895 this_sequence A099360 A082971 A108683
Adjacent sequences: A138398 A138399 A138400 this_sequence A138402 A138403 A138404
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KEYWORD
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nonn
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Mar 19 2008
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