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Search: id:A057487
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| A057487 |
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Numbers n such that x^n + x^9 + x^8 + x^7 + x^6 + x^5 + x^4 + x^3 + x^2 + x +1 is irreducible over GF(2). |
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+0
1
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| 10, 14, 20, 50, 52, 64, 104, 119, 155, 167, 170, 205, 386, 464, 617
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OFFSET
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1,1
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MATHEMATICA
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Do[ If[ ToString[ Factor[ x^n + Sum[ x^m, {m, 0, 9} ], Modulus -> 2 ] ] == ToString[ x^n + Sum[ x^m, {m, 0, 9} ] ], Print[ n ] ], {n, 0, 750} ]
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CROSSREFS
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Sequence in context: A162685 A031274 A063920 this_sequence A073486 A073487 A089995
Adjacent sequences: A057484 A057485 A057486 this_sequence A057488 A057489 A057490
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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), Sep 28 2000
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