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A179106
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Integers n for which quintic x^5-x+/-n is the product of an irreducible quadratic and an irreducible cubic polynomials.
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1
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OFFSET
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1,1
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COMMENTS
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Rabinowitz in 1968 showed that this list is complete.
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REFERENCES
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Rabinowitz S., 1968. Math. Mag. 61 p.191-193.
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LINKS
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Table of n, a(n) for n=1..3.
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MATHEMATICA
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aa = {}; Do[Do[If[(-a^3 b + 2 a b^2 != 0) && ((-a^4 + 3 a^2 b - b^2) == -1), AppendTo[aa, Abs[ -a^3 b + 2 a b^2]]], {a, 1, 12}], {b, 1, 377}]; aa (*Artur Jasinski*)
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CROSSREFS
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Cf. A178868, A193524.
Sequence in context: A174304 A208461 A068939 * A157643 A340291 A104682
Adjacent sequences: A179103 A179104 A179105 * A179107 A179108 A179109
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KEYWORD
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nonn,bref,fini,full
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AUTHOR
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Artur Jasinski, Jun 29 2010
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EXTENSIONS
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Partially edited by N. J. A. Sloane, Jul 06 2010
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STATUS
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approved
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