Row sums of triangle A134310.

Terms

a(0) =1a(1) =2a(2) =7a(3) =20a(4) =51a(5) =122a(6) =281a(7) =632a(8) =1399a(9) =3062a(10) =6645a(11) =14324a(12) =30707a(13) =65522a(14) =139249a(15) =294896a(16) =622575a(17) =1310702a(18) =2752493a(19) =5767148a(20) =12058603a(21) =25165802a(22) =52428777a(23) =109051880a(24) =226492391a(25) =469762022a(26) =973078501a(27) =2013265892a(28) =4160749539