The inverse multinomial transform of A001818(n) = ((2*n-1)!!)^2.

A274844

The inverse multinomial transform of A001818(n) = ((2*n-1)!!)^2.

Terms

    a(0) =1a(1) =8a(2) =100a(3) =1664a(4) =34336a(5) =843776a(6) =24046912a(7) =779780096a(8) =28357004800

External references