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Search: id:A064054
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| A064054 |
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Tenth column of trinomial coefficients. |
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+0
2
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| 5, 50, 266, 1016, 3139, 8350, 19855, 43252, 87802, 168168, 306735, 536640, 905658, 1481108, 2355962, 3656360, 5550755, 8260934, 12075184, 17363896, 24597925, 34370050, 47419905, 64662780
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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a(n) = A111808(n+5,9) for n>3. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 17 2005
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FORMULA
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a(n)= A027907(n+5, 9)= binomial(n+5, 5)*(n^4+66*n^3+1307*n^2+8706*n+15120) /(9!/5!).
G.f.: (1+x-x^2)*(5-5*x+x^2)/(1-x)^10, numerator polynomial is N3(9, x)= 5+0*x-9*x^2+6*x^3-x^4 from array A063420.
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CROSSREFS
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A005716 (ninth column).
Sequence in context: A136920 A069540 A061160 this_sequence A036291 A060347 A133646
Adjacent sequences: A064051 A064052 A064053 this_sequence A064055 A064056 A064057
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KEYWORD
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nonn,easy
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AUTHOR
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Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Aug 29 2001
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