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A295454 a(n) = (30*n)!*(9*n)!*(5*n)!/((18*n)!*(15*n)!*(10*n)!*n!). 1

%I

%S 1,380190,402651263238,481367742667183020,606773455031055915223110,

%T 788038286971309455244327103940,1043296916338880227942329375359295900,

%U 1399861754063759689631089578666777998208024,1896931228304326042693101941956800377403844620870

%N a(n) = (30*n)!*(9*n)!*(5*n)!/((18*n)!*(15*n)!*(10*n)!*n!).

%F G.f.: hypergeom([1/30, 7/30, 11/30, 13/30, 17/30, 19/30, 23/30, 29/30], [1/18, 5/18, 7/18, 1/2, 11/18, 13/18, 17/18], 39062500/27*x).

%Y Cf. A295431.

%K nonn

%O 0,2

%A _Gheorghe Coserea_, Nov 27 2017

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Last modified August 19 07:13 EDT 2022. Contains 356216 sequences. (Running on oeis4.)