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A017728
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Binomial coefficients C(n,64).
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2
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1, 65, 2145, 47905, 814385, 11238513, 131115985, 1329890705, 11969016345, 97082021465, 718406958841, 4898229264825, 31022118677225, 183746395242025, 1023729916348425, 5391644226101705, 26958221130508525
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OFFSET
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64,2
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LINKS
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FORMULA
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G.f.: x^64/(1-x)^65.
E.g.f.: x^64*exp(x)/64!. (End)
Sum_{n>=64} 1/a(n) = 64/63.
Sum_{n>=64} (-1)^n/a(n) = A001787(64)*log(2) - A242091(64)/63! = 590295810358705651712*log(2) - 1511682928114072250338673755441561389600833536 / 3694584012821319585973005 = 0.9850618563... (End)
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MATHEMATICA
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PROG
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(Sage) [binomial(n, 64) for n in range(64, 81)] # Zerinvary Lajos, May 23 2009
(PARI) for(n=64, 90, print1(binomial(n, 64), ", ")) \\ G. C. Greubel, Nov 08 2018
(Magma) [Binomial(n, 64): n in [64..90]]; // G. C. Greubel, Nov 08 2018
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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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