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A053810 Prime powers of prime numbers. 26
4, 8, 9, 25, 27, 32, 49, 121, 125, 128, 169, 243, 289, 343, 361, 529, 841, 961, 1331, 1369, 1681, 1849, 2048, 2187, 2197, 2209, 2809, 3125, 3481, 3721, 4489, 4913, 5041, 5329, 6241, 6859, 6889, 7921, 8192, 9409, 10201, 10609, 11449, 11881, 12167 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

T. D. Noe, Table of n, a(n) for n=1..9965

FORMULA

a(n) = A053811(n)^A053812(n). - David Wasserman (dwasserm(AT)earthlink.net), Feb 17 2006

MATHEMATICA

pp={}; Do[if=FactorInteger[n]; If[Length[if]==1&&PrimeQ[if[[1, 1]]]&&PrimeQ[if[[1, 2]]], pp=Append[pp, n]], {n, 13000}]; pp

Sort[ Flatten[ Table[ Prime[n]^Prime[i], {n, 1, PrimePi[ Sqrt[12800]]}, {i, 1, PrimePi[ Log[ Prime[n], 12800]]}]]]

CROSSREFS

Cf. A000040, A000961, A053811, A053812.

Sequence in context: A093771 A051676 A114129 * A076702 A051761 A153326

Adjacent sequences:  A053807 A053808 A053809 * A053811 A053812 A053813

KEYWORD

easy,nonn

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Mar 28 2000

EXTENSIONS

More terms from David Wasserman (dwasserm(AT)earthlink.net), Feb 17 2006

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Last modified February 15 18:22 EST 2012. Contains 205835 sequences.