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Search: id:A135792
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| A135792 |
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Positive numbers of the form x^5-10x^3*y^2+5x*y^4 (where x,y are integers and y>x). |
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+0
6
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| 41, 122, 316, 1121, 1312, 1900, 2868, 2876, 3904, 4282, 6121, 9963, 10112, 11516, 17684, 19841, 20122, 23028, 23807, 25525, 29646, 31996, 35872, 41984, 44403, 49001, 59162, 60800, 65900, 71996, 76453, 76788, 80404, 91776, 92032
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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a = {}; Do[Do[w = x^5 - 10x^3 y^2 + 5x y^4; If[w > 0 && w < 100000, AppendTo[a, w]], {y, x, 1000}], {x, 1, 1000}]; Union[a]
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CROSSREFS
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Cf. A000404, A050803, A057102, A135784, A060803, A135786, A135787, A135789, A135790, A135791, A135793.
Sequence in context: A044292 A044673 A135793 this_sequence A067896 A142290 A013643
Adjacent sequences: A135789 A135790 A135791 this_sequence A135793 A135794 A135795
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KEYWORD
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nonn
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Nov 29 2007
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