Row sums of the triangle in A199332.

Terms

a(0) =1a(1) =5a(2) =12a(3) =26a(4) =45a(5) =75a(6) =112a(7) =164a(8) =225a(9) =305a(10) =396a(11) =510a(12) =637a(13) =791a(14) =960a(15) =1160a(16) =1377a(17) =1629a(18) =1900a(19) =2210a(20) =2541a(21) =2915a(22) =3312a(23) =3756a(24) =4225a(25) =4745a(26) =5292a(27) =5894a(28) =6525a(29) =7215