Number of deco polyominoes of height 2n and vertical height n.

A374794

Number of deco polyominoes of height 2n and vertical height n.

Terms

    a(0) =1a(1) =1a(2) =10a(3) =216a(4) =8181a(5) =489753a(6) =43073059a(7) =5251140144a(8) =847811871333

External references