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Search: id:A138403
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| A138403 |
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a(n) = (n-th prime)^4)-(n-th prime)^3. |
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+0
56
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| 8, 54, 500, 2058, 13310, 26364, 78608, 123462, 267674, 682892, 893730, 1823508, 2756840, 3339294, 4775858, 7741604, 11911982, 13618860, 19850358, 25053770, 28009224, 38457042, 46886534, 62037272, 87616608, 103030100, 111458154
(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 is given in A138401
p^4-p^2 is given in A138402
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^3], {n, 1, 50}]; a
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CROSSREFS
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Cf. A036689, A127917, A135177, A138401, A138402, A138404, A138405, A138406, A138407, A138408, A138409, A138410, A138411, A138412.
Sequence in context: A057970 A002775 A079754 this_sequence A013499 A134825 A052690
Adjacent sequences: A138400 A138401 A138402 this_sequence A138404 A138405 A138406
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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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