Row sums of A175105.

Terms

a(0) =1a(1) =2a(2) =4a(3) =9a(4) =22a(5) =58a(6) =160a(7) =454a(8) =1311a(9) =3828a(10) =11260a(11) =33290a(12) =98778a(13) =293866a(14) =875960a(15) =2614891a(16) =7814544a(17) =23373354a(18) =69955372a(19) =209478678a(20) =627521578a(21) =1880400340a(22) =5636065932a(23) =16895989570a(24) =50658893073