Triangle read by rows: T(n,d) is the number of fixed, properly d-dimensional polysticks of size n.

Terms

a(0) =1a(1) =1a(2) =4a(3) =1a(4) =20a(5) =32a(6) =1a(7) =86a(8) =420a(9) =400a(10) =1a(11) =370a(12) =4164a(13) =10368a(14) =6912a(15) =1a(16) =1626a(17) =38205a(18) =186552a(19) =301840a(20) =153664a(21) =1a(22) =7310a(23) =343380a(24) =2934560a(25) =8637760a(26) =10223616a(27) =4194304a(28) =1a(29) =33464