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 A295441 a(n) = (9*n)!*n!/((5*n)!*(3*n)!*(2*n)!). 1
 1, 252, 204204, 191222460, 190004674860, 195022529167752, 204320742803699340, 217111359982448115765, 233102038867603938770220, 252255185100017685406870560, 274687728872310943504451521704, 300625891932698784845526074953032, 330384570746416514397560106035996940 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS FORMULA G.f.: hypergeom([1/9, 2/9, 4/9, 5/9, 7/9, 8/9], [1/5, 2/5, 1/2, 3/5, 4/5], 14348907/12500*x). MATHEMATICA f[n_] := (9n)! n!/((5n)! (3n)! (2n)!); Array[f, 13, 0] (* or *) CoefficientList[ Series[ HypergeometricPFQ[{1/9, 2/9, 4/9, 5/9, 7/9, 8/9}, {1/5, 2/5, 1/2, 3/5, 4/5}, 14348907/12500 x], {x, 0, 12}], x] (* Robert G. Wilson v, Nov 23 2017 *) CROSSREFS Cf. A295431. Sequence in context: A289567 A179714 A109929 * A203062 A259452 A177302 Adjacent sequences:  A295438 A295439 A295440 * A295442 A295443 A295444 KEYWORD nonn AUTHOR Gheorghe Coserea, Nov 23 2017 STATUS approved

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Last modified November 27 03:56 EST 2021. Contains 349345 sequences. (Running on oeis4.)