Row sums of triangle A132729.

Terms

a(0) =1a(1) =2a(2) =3a(3) =8a(4) =21a(5) =50a(6) =111a(7) =236a(8) =489a(9) =998a(10) =2019a(11) =4064a(12) =8157a(13) =16346a(14) =32727a(15) =65492a(16) =131025a(17) =262094a(18) =524235a(19) =1048520a(20) =2097093a(21) =4194242a(22) =8388543a(23) =16777148a(24) =33554361a(25) =67108790a(26) =134217651a(27) =268435376a(28) =536870829