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Search: id:A057147
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| A057147 |
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n times sum of digits of n. |
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+0
2
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| 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 10, 22, 36, 52, 70, 90, 112, 136, 162, 190, 40, 63, 88, 115, 144, 175, 208, 243, 280, 319, 90, 124, 160, 198, 238, 280, 324, 370, 418, 468, 160, 205, 252, 301, 352, 405, 460, 517, 576, 637, 250, 306, 364, 424, 486, 550, 616
(list; graph; listen)
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OFFSET
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0,3
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MAPLE
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for n from 0 to 150 do printf(`%d, `, n*add(convert(n, base, 10)[i], i=1..nops(convert(n, base, 10)))) od:
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CROSSREFS
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Cf. A007953, A003634, A005349, A052489, A052490, A003635.
Sequence in context: A083163 A068522 A048385 this_sequence A061205 A048387 A035121
Adjacent sequences: A057144 A057145 A057146 this_sequence A057148 A057149 A057150
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KEYWORD
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nonn,base,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Sep 13 2000
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EXTENSIONS
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More terms from James A. Sellers (sellersj(AT)math.psu.edu) and Larry Reeves (larryr(AT)acm.org), Sep 13 2000
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