Row sums of triangle A132789.

Terms

a(0) =1a(1) =2a(2) =6a(3) =18a(4) =53a(5) =158a(6) =486a(7) =1550a(8) =5109a(9) =17298a(10) =59799a(11) =210048a(12) =746983a(13) =2682618a(14) =9711214a(15) =35390422a(16) =129710309a(17) =477769754a(18) =1767525315a(19) =6564644688a(20) =24467315575a(21) =91484660770a(22) =343063807931