Triangle read by rows: T(n,d) is the number of fixed, properly d-dimensional (d,2)-polyominoids of size n, 2 <= d <= n+1.

A387002

Triangle read by rows: T(n,d) is the number of fixed, properly d-dimensional (d,2)-polyominoids of size n, 2 <= d <= n+1.

Terms

    a(0) =1a(1) =2a(2) =12a(3) =6a(4) =140a(5) =320a(6) =19a(7) =1554a(8) =10368a(9) =13520a(10) =63a(11) =17622a(12) =265344a(13) =892864a(14) =786432a(15) =216a(16) =206747a(17) =6390484a(18) =41998840a(19) =89389920a(20) =58383808a(21) =760a(22) =2503578a(23) =152166240a(24) =1749529040a(25) =6773387520

External references