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A295465 a(n) = (30*n)!*(5*n)!*(3*n)!/((15*n)!*(12*n)!*(10*n)!*n!). 1

%I #7 Aug 19 2020 16:49:39

%S 1,84021990,27148761423822150,9954973275139484047762908,

%T 3854033460136506985790722290997830,

%U 1538140504965911180891074089844546665130740,625941149813307100769398285275462870937611266492700,258199006729578473819424192171981739783714836205236867089400

%N a(n) = (30*n)!*(5*n)!*(3*n)!/((15*n)!*(12*n)!*(10*n)!*n!).

%F G.f.: hypergeom([1/30, 7/30, 11/30, 13/30, 17/30, 19/30, 23/30, 29/30], [1/12, 1/4, 5/12, 1/2, 7/12, 3/4, 11/12], 7119140625/16*x).

%t Table[((3 n)! (5 n)! (30 n)!)/(n! (10 n)! (12 n)! (15 n)!),{n,0,20}] (* _Harvey P. Dale_, Aug 19 2020 *)

%Y Cf. A295431.

%K nonn

%O 0,2

%A _Gheorghe Coserea_, Nov 28 2017

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Last modified August 14 12:42 EDT 2024. Contains 375164 sequences. (Running on oeis4.)