Triangle T(n,w) read by rows: the number of fixed polyominoes with n cells and width w of the convex hull.

A308359

Triangle T(n,w) read by rows: the number of fixed polyominoes with n cells and width w of the convex hull.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =9a(8) =8a(9) =1a(10) =1a(11) =18a(12) =31a(13) =12a(14) =1a(15) =1a(16) =35a(17) =95a(18) =68a(19) =16a(20) =1a(21) =1a(22) =66a(23) =269a(24) =282a(25) =121a(26) =20a(27) =1a(28) =1a(29) =123

External references