Row sums of triangle A131243.

Terms

a(0) =1a(1) =3a(2) =6a(3) =14a(4) =30a(5) =67a(6) =146a(7) =322a(8) =705a(9) =1549a(10) =3396a(11) =7453a(12) =16346a(13) =35861a(14) =78659a(15) =172549a(16) =378487a(17) =830234a(18) =1821136a(19) =3994730a(20) =8762543a(21) =19220904a(22) =42161568a(23) =92482585a(24) =202863051a(25) =444985664a(26) =976088107a(27) =2141075804a(28) =4696507779