Binomial transform of A119020.

Terms

a(0) =1a(1) =2a(2) =5a(3) =14a(4) =44a(5) =152a(6) =564a(7) =2200a(8) =8922a(9) =37460a(10) =162526a(11) =726772a(12) =3337360a(13) =15676000a(14) =75057142a(15) =365302740a(16) =1803191210a(17) =9011209620a(18) =45528658362a(19) =232340523516