Numbers of the form (5^i)*(13^j).

Terms

a(0) =1a(1) =5a(2) =13a(3) =25a(4) =65a(5) =125a(6) =169a(7) =325a(8) =625a(9) =845a(10) =1625a(11) =2197a(12) =3125a(13) =4225a(14) =8125a(15) =10985a(16) =15625a(17) =21125a(18) =28561a(19) =40625a(20) =54925a(21) =78125a(22) =105625a(23) =142805a(24) =203125a(25) =274625a(26) =371293a(27) =390625a(28) =528125a(29) =714025