Binomial transform of A084624.

Terms

a(0) =1a(1) =3a(2) =8a(3) =21a(4) =55a(5) =143a(6) =366a(7) =919a(8) =2265a(9) =5491a(10) =13125a(11) =31000a(12) =72485a(13) =168042a(14) =386709a(15) =884161a(16) =2009742a(17) =4543830a(18) =10222264a(19) =22891099a(20) =51041560a(21) =113359224a(22) =250839510a(23) =553173006a(24) =1216070081a(25) =2665518207a(26) =5826533103a(27) =12703217438a(28) =27628250142