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A138409
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a(n) = (n-th prime)^6-(n-th prime)^2.
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14
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60, 720, 15600, 117600, 1771440, 4826640, 24137280, 47045520, 148035360, 594822480, 887502720, 2565725040, 4750102560, 6321361200, 10779213120, 22164358320, 42180530160, 51520370640, 90458377680, 128100278880
(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 is given in A138401
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^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
| a = {}; Do[p = Prime[n]; AppendTo[a, p^6 - p^2], {n, 1, 50}]; a
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PROG
| (PARI) forprime(p=2, 1e3, print1(p^6-p^2", ")) \\ Charles R Greathouse IV, Jun 16 2011
(MAGMA) [NthPrime((n))^6 - NthPrime((n))^2: n in [1..30] ]; // Vincenzo Librandi, Jun 17 2011
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CROSSREFS
| Sequence in context: A136008 A000555 A034865 * A024016 A112042 A168307
Adjacent sequences: A138406 A138407 A138408 * A138410 A138411 A138412
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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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