a(n) = 676*n - 1.

Terms

a(0) =675a(1) =1351a(2) =2027a(3) =2703a(4) =3379a(5) =4055a(6) =4731a(7) =5407a(8) =6083a(9) =6759a(10) =7435a(11) =8111a(12) =8787a(13) =9463a(14) =10139a(15) =10815a(16) =11491a(17) =12167a(18) =12843a(19) =13519a(20) =14195a(21) =14871a(22) =15547a(23) =16223a(24) =16899a(25) =17575a(26) =18251a(27) =18927a(28) =19603a(29) =20279