Row sums of triangle A134637.

Terms

a(0) =1a(1) =8a(2) =28a(3) =76a(4) =182a(5) =406a(6) =868a(7) =1808a(8) =3706a(9) =7522a(10) =15176a(11) =30508a(12) =61198a(13) =122606a(14) =245452a(15) =491176a(16) =982658a(17) =1965658a(18) =3931696a(19) =7863812a(20) =15728086a(21) =31456678a(22) =62913908a(23) =125828416a(24) =251657482a(25) =503315666a(26) =1006632088a(27) =2013264988a(28) =4026530846a(29) =8053062622