Row sums of A128134.

Terms

a(0) =1a(1) =3a(2) =10a(3) =28a(4) =72a(5) =176a(6) =416a(7) =960a(8) =2176a(9) =4864a(10) =10752a(11) =23552a(12) =51200a(13) =110592a(14) =237568a(15) =507904a(16) =1081344a(17) =2293760a(18) =4849664a(19) =10223616a(20) =21495808a(21) =45088768a(22) =94371840a(23) =197132288a(24) =411041792a(25) =855638016a(26) =1778384896a(27) =3690987520a(28) =7650410496a(29) =15837691904