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A100519
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Denominator of Sum_{k=0..n} 1/C(n,k)^3.
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2
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1, 1, 8, 27, 864, 500, 43200, 1157625, 42875, 571536, 8001504000, 61631955, 10650001824000, 8526987612000, 13865513485824, 91398648466125, 83564478597600, 4927753743913000, 4421332282230864000, 98559233902419862572, 340556687709473664000
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OFFSET
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0,3
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LINKS
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Table of n, a(n) for n=0..20.
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EXAMPLE
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1, 2, 17/8, 56/27, 1759/864, 1009/500, 86831/43200, 2322304/1157625, 85922/42875, 1144667/571536, 16019198113/8001504000, 123357293/61631955, ... = A100518/A100519.
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CROSSREFS
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Cf. A100516, A100517, A046825, A100519.
Sequence in context: A007235 A029789 A155930 * A115701 A030483 A027454
Adjacent sequences: A100516 A100517 A100518 * A100520 A100521 A100522
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KEYWORD
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nonn,frac
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AUTHOR
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N. J. A. Sloane, Nov 25 2004
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STATUS
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approved
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