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Search: id:A160515
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| A160515 |
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Where (640320^3 + 744)^2 *70^2 = 337736875876935471466319632507953926400 where 640320^3 +744 is an integer which is very close to Ramanujan's constant e^pi{sqrt163} = 640320^3 +743.99999999999925 and 70^2 is related to the norm vector 0 of the Leech lattice where 1^2+2^2+3^3...+22^2+23^2+24^2 = 70^2 |
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+0
3
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| 3, 3, 7, 7, 3, 6, 8, 7, 5, 8, 7, 6, 9, 3, 5, 4, 7, 1, 4, 6, 6, 3, 1, 9, 6, 3, 2, 5, 0, 7, 9, 5, 3, 9, 2, 6, 4, 0, 0
(list; cons; graph; listen)
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OFFSET
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39,1
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COMMENT
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337736875876935471466319632507953926400 = 2^8,3^2,5^2,7^2,10939058860032031^2 and 10939058860032031 is a prime number which can be decomposed to 2^15,3^2,5^3,23^3,29^3 + 31
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FORMULA
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Equals product_{i=1..5} A160514(i).
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CROSSREFS
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Sequence in context: A069981 A000199 A161771 this_sequence A105670 A003817 A092474
Adjacent sequences: A160512 A160513 A160514 this_sequence A160516 A160517 A160518
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KEYWORD
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nonn,cons,uned
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AUTHOR
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Mark A. Thomas (monstrousgaugetheory(AT)gmail.com), May 16 2009
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EXTENSIONS
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Partially edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 30 2009
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