Binomial transform of A120070.

Terms

a(0) =3a(1) =11a(2) =24a(3) =57a(4) =137a(5) =310a(6) =672a(7) =1445a(8) =3135a(9) =6834a(10) =14797a(11) =31605a(12) =66642a(13) =139500a(14) =291697a(15) =611517a(16) =1285388a(17) =2702278a(18) =5664348a(19) =11813505a(20) =24503911a(21) =50606865a(22) =104273395a(23) =214794252a(24) =442965900a(25) =914940122a(26) =1891691613a(27) =3910617099a(28) =8072908510a(29) =16626013425