Row sums of triangle A133913.

Terms

a(0) =1a(1) =3a(2) =5a(3) =11a(4) =23a(5) =44a(6) =89a(7) =177a(8) =355a(9) =711a(10) =1420a(11) =2841a(12) =5683a(13) =11367a(14) =22731a(15) =45463a(16) =90925a(17) =181851a(18) =363703a(19) =727404a(20) =1454809a(21) =2909617a(22) =5819235a(23) =11638471a(24) =23276940a(25) =46553881a(26) =93107763a(27) =186215527a(28) =372431051a(29) =744862103