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Search: id:A147976
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| A147976 |
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k(n)=5^n-4^n-3^n-2^n-1^n. |
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+0
2
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| -3, -5, -5, 25, 271, 1825, 10735, 59425, 318271, 1670785, 8656975, 44454625, 226827871, 1151991745, 5830280815, 29429454625, 148249811071, 745630312705, 3745590106255, 18797445635425, 94264432179871, 472428649241665
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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G.f.: x*(3-40*x+185*x^2-350*x^3+226*x^4)/((x-1)*(4*x-1)*(3*x-1)*(2*x-1)*(5*x-1)) [From Maksym Voznyy (voznyy(AT)mail.ru), Jul 26 2009]
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MATHEMATICA
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lst={}; Do[p=5^n-4^n-3^n-2^n-1^n; AppendTo[lst, p], {n, 0, 5!}]; lst
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CROSSREFS
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Sequence in context: A055382 A165235 A072624 this_sequence A019247 A165142 A111950
Adjacent sequences: A147973 A147974 A147975 this_sequence A147977 A147978 A147979
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KEYWORD
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sign
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 18 2008
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EXTENSIONS
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G.f. proposed by Maksym Voznyy checked and corrected by R. J. Mathar, Sep 16 2009.
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