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A144485 A sequence from a binomial: a(n)=(3k + 2)Binomial[3k + 1, k]. 0
2, 20, 168, 1320, 10010, 74256, 542640, 3922512, 28120950, 200300100, 1419269280, 10013421600, 70394353848, 493362138080, 3448674255840, 24051721745568, 167405449649550, 1163116182943260, 8068463611408200, 55891260077406600 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

REFERENCES

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

FORMULA

a(n)=(3k + 2)Binomial[3k + 1, k].

MATHEMATICA

a[k_] = (3k + 2)Binomial[3k + 1, k]; Table[a[k], {k, 0, 30}]

CROSSREFS

Sequence in context: A093130 A043029 A164944 * A115489 A105493 A067641

Adjacent sequences:  A144482 A144483 A144484 * A144486 A144487 A144488

KEYWORD

nonn,uned

AUTHOR

Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Oct 12 2008

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.