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Search: id:A129544
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| A129544 |
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Sequence allows us to find the solutions of the equation: X^2+(X+137)^2=Y^2. |
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+0
1
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| 0, 115, 136, 411, 1036, 1155, 2740, 6375, 7068, 16303, 37488, 41527, 95352, 218827, 242368, 556083, 1275748, 1412955, 3241420, 7435935, 8235636, 18892711, 43340136, 48001135, 110115120, 252605155, 279771448
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OFFSET
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1,2
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COMMENT
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Consider all Pythagorean triples (X,X+137,Y) ordered by increasing Y; sequence gives X values.
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FORMULA
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a(n)=6*a(n-3)-a(n-6)+274 with: a(0)=0,a(1)=115,a(2)=136, a(3)=411,a(4)=1036, a(5)=1155.
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CROSSREFS
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Cf. A129288, A129289, A129298.
Sequence in context: A036269 A036462 A020443 this_sequence A095621 A051975 A122562
Adjacent sequences: A129541 A129542 A129543 this_sequence A129545 A129546 A129547
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KEYWORD
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nonn,uned
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AUTHOR
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Mohamed Bouhamida (bhmd95(AT)yahoo.fr), May 30 2007
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