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A123135
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a(n) = n^3 plus sum of digits of n^3.
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2
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2, 16, 36, 74, 133, 225, 353, 520, 747, 1001, 1339, 1746, 2216, 2761, 3393, 4115, 4930, 5850, 6887, 8008, 9279, 10667, 12184, 13842, 15644, 17602, 19710, 21971, 24415, 27009, 29819, 32794, 35964, 39323, 42901, 46683, 50672, 54898, 59346, 64010
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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Harvey P. Dale, Table of n, a(n) for n = 1..1000
A. Frank & P. Jacqueroux, International Contest, 2001. Item 24
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FORMULA
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a(n) = A062028(A000578(n)). - Michel Marcus, Dec 02 2013
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EXAMPLE
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a(4) = 4^3 + sum of digits of 4^3 = 64 + (6 + 4) = 74.
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MATHEMATICA
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#+Total[IntegerDigits[#]]&/@(Range[40]^3) (* Harvey P. Dale, Nov 06 2019 *)
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PROG
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(PARI) a(n) = my(d = digits(n^3)); n^3 + sum(i=1, #d, d[i]); \\ Michel Marcus, Dec 02 2013
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CROSSREFS
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Sequence in context: A230937 A018951 A019064 * A327542 A166154 A034507
Adjacent sequences: A123132 A123133 A123134 * A123136 A123137 A123138
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KEYWORD
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nonn,base
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AUTHOR
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Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 30 2006
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STATUS
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approved
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