Row sums of triangle A297495.

Terms

a(0) =1a(1) =3a(2) =10a(3) =25a(4) =61a(5) =152a(6) =344a(7) =755a(8) =1633a(9) =3566a(10) =7844a(11) =17409a(12) =38572a(13) =84583a(14) =183130a(15) =392467a(16) =838016a(17) =1793923a(18) =3863499a(19) =8369084a(20) =18177361a(21) =39421910a(22) =85087006a(23) =182500900a(24) =389186986a(25) =826803387a(26) =1754407066a(27) =3726873588a(28) =7935854525a(29) =16936911826