a(0) = 1, a(n) = 5*n^2 + 2 for n>0.

Terms

a(0) =1a(1) =7a(2) =22a(3) =47a(4) =82a(5) =127a(6) =182a(7) =247a(8) =322a(9) =407a(10) =502a(11) =607a(12) =722a(13) =847a(14) =982a(15) =1127a(16) =1282a(17) =1447a(18) =1622a(19) =1807a(20) =2002a(21) =2207a(22) =2422a(23) =2647a(24) =2882a(25) =3127a(26) =3382a(27) =3647a(28) =3922a(29) =4207