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Search: id:A058334
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| A058334 |
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Numbers n such that the trinomial x^n + x + 1 is irreducible over GF(5). |
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+0
1
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| 2, 3, 7, 18, 22, 27, 31, 78, 94, 115, 171, 402, 438, 507, 1363, 1467, 2263, 2283, 3627
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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No other n < 4400 - Michael Somos Mar 12 2007
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MATHEMATICA
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Do[ If[ ToString[ Factor[ x^n + x^1 + 1, Modulus -> 5] ] == ToString[ x^n + x^1 + 1], Print[n] ], {n, 0, 750} ]
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CROSSREFS
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Sequence in context: A113483 A059801 A102226 this_sequence A131093 A002864 A005248
Adjacent sequences: A058331 A058332 A058333 this_sequence A058335 A058336 A058337
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KEYWORD
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nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 13 2000
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