Row sums of triangle A059037.

Terms

a(0) =1a(1) =3a(2) =13a(3) =76a(4) =538a(5) =4475a(6) =42690a(7) =460078a(8) =5529599a(9) =73363513a(10) =1065232928a(11) =16805164107a(12) =286272028319