Central terms of triangle A359670; a(n) = A359670(2*n,n) for n >= 0.

A359714

Central terms of triangle A359670; a(n) = A359670(2*n,n) for n >= 0.

Terms

    a(0) =1a(1) =6a(2) =68a(3) =970a(4) =15627a(5) =271698a(6) =4980320a(7) =94919382a(8) =1864060550a(9) =37486601966a(10) =768542230128

External references