Row sums of triangle A159924.

Terms

a(0) =1a(1) =3a(2) =12a(3) =61a(4) =370a(5) =2606a(6) =20925a(7) =188772a(8) =1890773a(9) =20822481a(10) =250082522a(11) =3253176309a(12) =45567394330a(13) =683783923476