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Search: id:A144485
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| A144485 |
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A sequence from a binomial: a(n)=(3k + 2)Binomial[3k + 1, k]. |
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+0
1
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| 2, 20, 168, 1320, 10010, 74256, 542640, 3922512, 28120950, 200300100, 1419269280, 10013421600, 70394353848, 493362138080, 3448674255840, 24051721745568, 167405449649550, 1163116182943260, 8068463611408200, 55891260077406600
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OFFSET
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1,1
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REFERENCES
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http://arxiv.org/abs/0704.3398v2; Almost Product Evaluation of Hankel Determinants Authors: Omer Egecioglu, Timothy Redmond, Charles Ryavec; http://tigraworld.com/diffdetnb/; http://tigraworld.com/diffdetnb/raw/matrix36.nb
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FORMULA
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a(n)=(3k + 2)Binomial[3k + 1, k].
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MATHEMATICA
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a[k_] = (3k + 2)Binomial[3k + 1, k]; Table[a[k], {k, 0, 30}]
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CROSSREFS
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Sequence in context: A093130 A043029 A164944 this_sequence A115489 A105493 A067641
Adjacent sequences: A144482 A144483 A144484 this_sequence A144486 A144487 A144488
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KEYWORD
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nonn,uned
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AUTHOR
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Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Oct 12 2008
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