Row sums of A363041.

Terms

a(0) =1a(1) =1a(2) =2a(3) =6a(4) =17a(5) =57a(6) =233a(7) =989a(8) =4602a(9) =23794a(10) =129285a(11) =751973a(12) =4680041a(13) =30523105a(14) =210159654a(15) =1521122754a(16) =11481486845a(17) =90604333205a(18) =744420806913