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A128685
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Numbers n such that n^3 divides 12^(n^2)+1.
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19
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1, 13, 1027, 52741, 468481, 2890927, 4166539, 37009999, 228383233, 999884119, 1345997497, 1900627417, 2126334691, 4499474941, 5037873529, 11728490839, 104180336299, 105897267463, 150149565943, 926550776281, 4056529870783
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| 13 divides a(n) for n>1.
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CROSSREFS
| 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, A128684.
Sequence in context: A096084 A203708 A095680 * A201118 A076481 A185834
Adjacent sequences: A128682 A128683 A128684 * A128686 A128687 A128688
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KEYWORD
| hard,nonn
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AUTHOR
| Alexander Adamchuk (alex(AT)kolmogorov.com), Mar 31 2007
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EXTENSIONS
| 16 more terms from Ryan Propper (rpropper(AT)cs.stanford.edu), Dec 03 2007
Terms a(17) onward from Max Alekseyev (maxale(AT)gmail.com), May 14 2010
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