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Search: id:A129738
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| A129738 |
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List of primitive prime divisors of the Jacobsthal numbers A001045 in their order of occurrence. |
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+0
2
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| 3, 5, 11, 7, 43, 17, 19, 31, 683, 13, 2731, 127, 331, 257, 43691, 73, 174763, 41, 5419, 23, 89, 2796203, 241, 251, 4051, 8191, 87211, 29, 113, 59, 3033169, 151, 715827883, 65537, 67, 20857, 131071, 281, 86171, 37, 109, 25781083, 1777, 524287, 22366891, 61681, 83
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Read A001045 term-by-term, factorize each term, write down any primes not seen before.
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REFERENCES
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G. Everest et al., Primes generated by recurrence sequences, Amer. Math. Monthly, 11 4 (No. 5, 2007), 417-431.
K. Zsigmondy, Zur Theorie der Potenreste, Monatsh. Math., 3 (1892), 265-284.
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CROSSREFS
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Cf. A001045, A049883, A107036, A129733.
Sequence in context: A145398 A087322 A094747 this_sequence A105603 A122133 A065019
Adjacent sequences: A129735 A129736 A129737 this_sequence A129739 A129740 A129741
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), May 13 2007
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