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A076181 (n^2)!/(n!)^(n+1)/(2n-1). 0

%I

%S 1,1,56,375375,577185873264,337143653615801672640,

%T 112387296492020598351382561996800,

%U 30035919199125011172228882156381540400453089375

%N (n^2)!/(n!)^(n+1)/(2n-1).

%K nonn

%O 1,3

%A _Benoit Cloitre_, Nov 01 2002

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Last modified October 20 05:51 EDT 2020. Contains 337897 sequences. (Running on oeis4.)