Row sums of triangle A167749.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =9a(5) =20a(6) =45a(7) =102a(8) =231a(9) =524a(10) =1189a(11) =2699a(12) =6127a(13) =13910a(14) =31581a(15) =71702a(16) =162796a(17) =369622a(18) =839216a(19) =1905419a(20) =4326211a(21) =9822571a(22) =22301948a(23) =50636130a(24) =114968339a(25) =261033373a(26) =592671205a(27) =1345648489a(28) =3055268857a(29) =6936928864