a(n) = floor(b(n)), where b(n) = b(n-1)^(3/2), b(1) = 2.

A254400

a(n) = floor(b(n)), where b(n) = b(n-1)^(3/2), b(1) = 2.

Terms

    a(0) =2a(1) =2a(2) =4a(3) =10a(4) =33a(5) =193a(6) =2684a(7) =139116a(8) =51888311a(9) =373769884171

External references