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Search: id:A128684
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| A128684 |
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Numbers n such that n^3 divides 11^(n^2)+1. |
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12
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OFFSET
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1,2
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COMMENT
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3 divides a(n) for n>1.
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CROSSREFS
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Cf. A127263 = numbers n such that n^3 divide 2^(n^2)+1. Cf. A128677 = Least k>p such that (kp)^3 divides (p-1)^(kp)^2+1, where p = Prime[n]>2. Cf. A128678, A128679, A128680, A128681, A128682, A128683, A128685.
Sequence in context: A111091 A066138 A114207 this_sequence A037116 A054330 A024043
Adjacent sequences: A128681 A128682 A128683 this_sequence A128685 A128686 A128687
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KEYWORD
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hard,more,nonn
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AUTHOR
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Alexander Adamchuk (alex(AT)kolmogorov.com), Mar 31 2007
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