Binomial transform of A111107.

Terms

a(0) =2a(1) =5a(2) =13a(3) =37a(4) =101a(5) =271a(6) =727a(7) =1931a(8) =5003a(9) =12547a(10) =30449a(11) =71761a(12) =165037a(13) =372149a(14) =826303a(15) =1813219a(16) =3944921a(17) =8533073a(18) =18393821a(19) =39588071a(20) =85192381a(21) =183479291a(22) =395667617a(23) =854417989a(24) =1847225579a(25) =3996807053a(26) =8650687127a(27) =18721431499a(28) =40496966207a(29) =87538925959