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A090200
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N(7,n) where N(7,x) is the 7-th Narayana polynomial.
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2
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1, 429, 4279, 20071, 65445, 171481, 387739, 788019, 1476841, 2596645, 4335711, 6936799, 10706509, 16025361, 23358595, 33267691, 46422609, 63614749, 85770631, 113966295, 149442421, 193620169, 248117739, 314767651
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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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) = N(7, n)= Sum_{k>0} A001263(7, k)*n^(k-1) =n^6 + 21*n^5 + 105*n^4 + 175*n^3 + 105*n^2 + 21*n + 1.
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PROG
| (PARI) a(n)=n^6+21*n^5+105*n^4+175*n^3+105*n^2+21*n+1\\ Charles R Greathouse IV, Jan 17 2012
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CROSSREFS
| Sequence in context: A116870 A064061 A115133 * A033279 A145056 A064304
Adjacent sequences: A090197 A090198 A090199 * A090201 A090202 A090203
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KEYWORD
| nonn,easy
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AUTHOR
| DELEHAM Philippe (kolotoko(AT)wanadoo.fr), Jan 22 2004
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EXTENSIONS
| Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 09 2006
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