Largest member of the n-th row of the triangular triangle (A093445).

Terms

a(0) =1a(1) =3a(2) =9a(3) =18a(4) =33a(5) =54a(6) =82a(7) =120a(8) =165a(9) =225a(10) =294a(11) =378a(12) =476a(13) =588a(14) =720a(15) =865a(16) =1035a(17) =1221a(18) =1430a(19) =1662a(20) =1914a(21) =2197a(22) =2499a(23) =2835a(24) =3195a(25) =3585a(26) =4008a(27) =4456a(28) =4947a(29) =5463