Row sums of A375555.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =11a(5) =32a(6) =102a(7) =434a(8) =2023a(9) =10199a(10) =65311a(11) =442770a(12) =3070230a(13) =25854959a(14) =228298330a(15) =2055942579a(16) =21084272583a(17) =227382284940