Inverse binomial transform of n^2*3^(n-1).

Terms

a(0) =0a(1) =1a(2) =10a(3) =48a(4) =176a(5) =560a(6) =1632a(7) =4480a(8) =11776a(9) =29952a(10) =74240a(11) =180224a(12) =430080a(13) =1011712a(14) =2351104a(15) =5406720a(16) =12320768a(17) =27852800a(18) =62521344a(19) =139460608a(20) =309329920a(21) =682622976a(22) =1499463680a(23) =3279945728a(24) =7147094016a(25) =15518924800a(26) =33587986432a(27) =72477573120a(28) =155960999936