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A106318
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Bhaskara twins: n such that 2*n^2=X^3 and 2*n^3=Y^2.
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2
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2, 128, 1458, 8192, 31250, 93312, 235298, 524288, 1062882, 2000000, 3543122, 5971968, 9653618, 15059072, 22781250, 33554432, 48275138, 68024448, 94091762, 128000000, 171532242, 226759808, 296071778, 382205952, 488281250, 617831552
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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REFERENCES
| S. S. Gupta, 'Bhaskara Pairs' in 'Science Today' (subsequently renamed '2001'), January 1988, pp. 68, Times of India, Mumbai.
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LINKS
| Index to sequences with linear recurrences with constant coefficients, signature (7,-21,35,-35,21,-7,1).
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FORMULA
| a(n) = 2*n^6 = 2*A001014(n).
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PROG
| (PARI) a(n)=2*n^6 \\ Charles R Greathouse IV, Feb 09 2012
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CROSSREFS
| Sequence in context: A004864 A106319 A106320 * A202748 A010367 A024344
Adjacent sequences: A106315 A106316 A106317 * A106319 A106320 A106321
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KEYWORD
| nice,nonn,easy,changed
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AUTHOR
| Lekraj Beedassy (blekraj(AT)yahoo.com), Apr 29 2005
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