a(0) = 1, a(n) = 20*n^2 + 2 for n>0.

Terms

a(0) =1a(1) =22a(2) =82a(3) =182a(4) =322a(5) =502a(6) =722a(7) =982a(8) =1282a(9) =1622a(10) =2002a(11) =2422a(12) =2882a(13) =3382a(14) =3922a(15) =4502a(16) =5122a(17) =5782a(18) =6482a(19) =7222a(20) =8002a(21) =8822a(22) =9682a(23) =10582a(24) =11522a(25) =12502a(26) =13522a(27) =14582a(28) =15682a(29) =16822