Binomial transform of A045621.

Terms

a(0) =1a(1) =3a(2) =10a(3) =32a(4) =101a(5) =315a(6) =975a(7) =3001a(8) =9199a(9) =28109a(10) =85680a(11) =260650a(12) =791663a(13) =2401313a(14) =7275738a(15) =22024152a(16) =66615351a(17) =201349365a(18) =608227698a(19) =1836345996a(20) =5541690723a(21) =16716767709a(22) =50408518791a(23) =151954553565a(24) =457926628077