a(n) is the number of domino towers of height n consisting of 2*n bricks, a(n) = A333650(2*n, n).

A339346

a(n) is the number of domino towers of height n consisting of 2*n bricks, a(n) = A333650(2*n, n).

Terms

    a(0) =1a(1) =4a(2) =24a(3) =168a(4) =1257a(5) =9778a(6) =77994a(7) =633056a(8) =5204434

External references