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Search: id:A034265
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| A034265 |
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a(n)=C(n+6,6)*(6n+7)/7. |
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+0
4
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| 1, 13, 76, 300, 930, 2442, 5676, 12012, 23595, 43615, 76648, 129064, 209508, 329460, 503880, 751944, 1097877, 1571889, 2211220, 3061300, 4177030, 5624190, 7480980, 9839700, 12808575, 16513731, 21101328, 26739856, 33622600, 41970280
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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A. H. Beiler, Recreations in the Theory of Numbers, Dover, N.Y., 1964, pp. 194-196.
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FORMULA
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G.f.: (1+5*x)/(1-x)^8.
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CROSSREFS
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a(n)=f(n,5) where f is given in A034261.
Partial sums of A027810.
Cf. A093563 ((6, 1) Pascal, column m=7).
Sequence in context: A005340 A114244 A050485 this_sequence A060717 A044200 A044581
Adjacent sequences: A034262 A034263 A034264 this_sequence A034266 A034267 A034268
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KEYWORD
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nonn
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu)
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EXTENSIONS
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Corrected and extended Apr 21 2000 - njas
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