a(n) = 8*n^4 + 9*n^2 + 2.

Terms

a(0) =2a(1) =19a(2) =166a(3) =731a(4) =2194a(5) =5227a(6) =10694a(7) =19651a(8) =33346a(9) =53219a(10) =80902a(11) =118219a(12) =167186a(13) =230011a(14) =309094a(15) =407027a(16) =526594a(17) =670771a(18) =842726a(19) =1045819a(20) =1283602a(21) =1559819a(22) =1878406a(23) =2243491a(24) =2659394a(25) =3130627a(26) =3661894a(27) =4258091a(28) =4924306a(29) =5665819