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Search: id:A132354
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| A132354 |
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Sequence allows us to find X values of the equation: 7*X^3 + X^2 = Y^2. |
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+0
1
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| 0, 5, 9, 24, 32, 57, 69, 104, 120, 165, 185, 240, 264, 329, 357, 432, 464, 549, 585, 680, 720, 825, 869, 984, 1032, 1157, 1209, 1344, 1400, 1545, 1605, 1760, 1824, 1989, 2057, 2232, 2304, 2489, 2565, 2760, 2840
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OFFSET
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0,2
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FORMULA
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a(2n)=n(7n+2), a(2n+1)=7*n^2 + 12n + 5.
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CROSSREFS
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Cf. A054000, A056220, A000217, A087475, A028347, A062717, A036666, A002378, A001082, A046092, A005563.
Sequence in context: A074340 A079993 A067294 this_sequence A146419 A074741 A116520
Adjacent sequences: A132351 A132352 A132353 this_sequence A132355 A132356 A132357
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KEYWORD
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nonn
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AUTHOR
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Mohamed Bouhamida (bhmd95(AT)yahoo.fr), Nov 08 2007
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