Row sums of number triangle A116382.

Terms

a(0) =1a(1) =1a(2) =4a(3) =6a(4) =19a(5) =33a(6) =93a(7) =175a(8) =460a(9) =910a(10) =2286a(11) =4676a(12) =11388a(13) =23842a(14) =56808a(15) =120926a(16) =283611a(17) =611065a(18) =1416625a(19) =3079635a(20) =7078263a(21) =15490553a(22) =35374519a(23) =77805481a(24) =176813809a(25) =390379483a(26) =883861033a(27) =1957097715a(28) =4418562265a(29) =9805546875