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A224787 Sum of cubes of prime factors of n (counted with multiplicity). 2
0, 8, 27, 16, 125, 35, 343, 24, 54, 133, 1331, 43, 2197, 351, 152, 32, 4913, 62, 6859, 141, 370, 1339, 12167, 51, 250, 2205, 81, 359, 24389, 160, 29791, 40, 1358, 4921, 468, 70, 50653, 6867, 2224, 149, 68921, 378, 79507, 1347, 179, 12175, 103823, 59, 686, 258 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

T. D. Noe, Table of n, a(n) for n = 1..10000

MATHEMATICA

Join[{0}, Table[{p, e} = Transpose[FactorInteger[n]]; Total[e*p^3], {n, 2, 50}]] (* T. D. Noe, Apr 17 2013 *)

CROSSREFS

Cf. A001414, A067666.

Sequence in context: A102637 A250140 A070510 * A070509 A070508 A070507

Adjacent sequences:  A224784 A224785 A224786 * A224788 A224789 A224790

KEYWORD

nonn

AUTHOR

Jiwon Lee, Apr 17 2013

EXTENSIONS

Extended by T. D. Noe, Apr 17 2013

STATUS

approved

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Last modified July 5 03:05 EDT 2020. Contains 335457 sequences. (Running on oeis4.)