Row sums of the triangle of generalized ballot numbers A238762.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =5a(5) =21a(6) =14a(7) =84a(8) =42a(9) =330a(10) =132a(11) =1287a(12) =429a(13) =5005a(14) =1430a(15) =19448a(16) =4862a(17) =75582a(18) =16796a(19) =293930a(20) =58786a(21) =1144066a(22) =208012a(23) =4457400a(24) =742900a(25) =17383860a(26) =2674440a(27) =67863915a(28) =9694845a(29) =265182525