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Search: id:A100879
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| A100879 |
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n^{sum of its divisors}. |
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+0 1
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| 1, 8, 81, 16384, 15625, 2176782336, 5764801, 35184372088832, 2541865828329, 1000000000000000000, 3138428376721, 1648446623609512543951043690496, 3937376385699289, 3214199700417740936751087616
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OFFSET
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1,2
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EXAMPLE
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a(1) = 1^1 = 1
a(2) = 2^(1+2) = 8
a(3) = 3^(1+3) = 81
a(4) = 4^(1+2+4) = 16384
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MAPLE
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with(numtheory): seq(n^add(d, d=divisors(n)), n=1..17); (C. Ronaldo)
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CROSSREFS
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Sequence in context: A100399 A022504 A104126 this_sequence A080811 A073699 A068173
Adjacent sequences: A100876 A100877 A100878 this_sequence A100880 A100881 A100882
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KEYWORD
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easy,nonn
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AUTHOR
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Odimar Fabeny (aifab(AT)yahoo.com.br), Jan 09 2005
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EXTENSIONS
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More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 19 2005
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