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A192665
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Floor-Sqrt transform of the numbers binomial(3*n,n)/(2*n+1) (A001764).
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1
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1, 1, 1, 3, 7, 16, 37, 88, 207, 496, 1196, 2900, 7075, 17344, 42693, 105473, 261397, 649638, 1618527, 4041401, 10111385, 25343883, 63627940, 159982510, 402802976, 1015454569, 2562911901, 6475519561, 16377581829, 41459980288, 105047450207, 266375717828, 675980743615
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OFFSET
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0,4
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LINKS
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FORMULA
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a(n) = floor(sqrt(binomial(3*n,n)/(2*n+1))).
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MATHEMATICA
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Table[Floor[Sqrt[Binomial[3n, n]/(2n+1)]], {n, 0, 100}]
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PROG
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(Maxima) makelist(floor(sqrt(binomial(3*n, n)/(2*n+1))), n, 0, 12);
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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