a(n) = 29 + 73*n + 37*n^2.

Terms

a(0) =29a(1) =139a(2) =323a(3) =581a(4) =913a(5) =1319a(6) =1799a(7) =2353a(8) =2981a(9) =3683a(10) =4459a(11) =5309a(12) =6233a(13) =7231a(14) =8303a(15) =9449a(16) =10669a(17) =11963a(18) =13331a(19) =14773a(20) =16289a(21) =17879a(22) =19543a(23) =21281a(24) =23093a(25) =24979a(26) =26939a(27) =28973a(28) =31081a(29) =33263