a(n) is the number of column convex polyglasses (polyiamonds which need only touch at corners) with n cells.

A319326

a(n) is the number of column convex polyglasses (polyiamonds which need only touch at corners) with n cells.

Terms

    a(0) =2a(1) =12a(2) =84a(3) =612a(4) =4532a(5) =33762a(6) =252106a(7) =1884120a(8) =14084674a(9) =105295512a(10) =787178752

External references