a(n) = 961*n^2 + 2*n.

Terms

a(0) =963a(1) =3848a(2) =8655a(3) =15384a(4) =24035a(5) =34608a(6) =47103a(7) =61520a(8) =77859a(9) =96120a(10) =116303a(11) =138408a(12) =162435a(13) =188384a(14) =216255a(15) =246048a(16) =277763a(17) =311400a(18) =346959a(19) =384440a(20) =423843a(21) =465168a(22) =508415a(23) =553584a(24) =600675a(25) =649688a(26) =700623a(27) =753480a(28) =808259a(29) =864960