Row sums of triangle A131948.

Terms

a(0) =1a(1) =6a(2) =16a(3) =32a(4) =56a(5) =92a(6) =148a(7) =240a(8) =400a(9) =692a(10) =1244a(11) =2312a(12) =4408a(13) =8556a(14) =16804a(15) =33248a(16) =66080a(17) =131684a(18) =262828a(19) =525048a(20) =1049416a(21) =2098076a(22) =4195316a(23) =8389712a(24) =16778416a(25) =33555732a(26) =67110268a(27) =134219240a(28) =268437080a(29) =536872652