2-Hankel transform of ((2*n - 1)!!, 2^n * n).

A292797

2-Hankel transform of ((2*n - 1)!!, 2^n * n).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =24a(4) =1728a(5) =1658880a(6) =17915904000

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