a(n) = 94*n^2.

Terms

a(0) =0a(1) =94a(2) =376a(3) =846a(4) =1504a(5) =2350a(6) =3384a(7) =4606a(8) =6016a(9) =7614a(10) =9400a(11) =11374a(12) =13536a(13) =15886a(14) =18424a(15) =21150a(16) =24064a(17) =27166a(18) =30456a(19) =33934a(20) =37600a(21) =41454a(22) =45496a(23) =49726a(24) =54144a(25) =58750a(26) =63544a(27) =68526a(28) =73696a(29) =79054