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A138411 a(n) = (n-th prime)^6-(n-th prime)^4. 14
48, 648, 15000, 115248, 1756920, 4798248, 24054048, 46915560, 147756048, 594116040, 886580160, 2563852248, 4747278480, 6317944248, 10774335648, 22156470648, 42168416280, 51506528520, 90438231048, 128074872240 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

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^2 is given in A138409

p^6-p^3 is given in A138410

p^6-p^5 is given in A138412

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..168

MATHEMATICA

a = {}; Do[p = Prime[n]; AppendTo[a, p^6 - p^4], {n, 1, 50}]; a

PROG

(PARI) forprime(p=2, 1e3, print1(p^6-p^4", ")) \\ Charles R Greathouse IV, Jun 16 2011

CROSSREFS

Sequence in context: A160286 A008658 A136038 * A186162 A102279 A132464

Adjacent sequences:  A138408 A138409 A138410 * A138412 A138413 A138414

KEYWORD

nonn,easy

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Mar 19 2008

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Last modified February 16 01:56 EST 2012. Contains 205860 sequences.