Row sums of triangle in A059274.

Terms

a(0) =1a(1) =3a(2) =14a(3) =79a(4) =482a(5) =3088a(6) =20502a(7) =139882a(8) =975084a(9) =6915354a(10) =49742974a(11) =362054512a(12) =2661657346a(13) =19735338206a(14) =147418892116