Numbers having four 0's in base 5.

Terms

a(0) =625a(1) =1250a(2) =1875a(3) =2500a(4) =3126a(5) =3127a(6) =3128a(7) =3129a(8) =3130a(9) =3135a(10) =3140a(11) =3145a(12) =3150a(13) =3175a(14) =3200a(15) =3225a(16) =3250a(17) =3375a(18) =3500a(19) =3625a(20) =3750a(21) =4375a(22) =5000a(23) =5625a(24) =6251a(25) =6252a(26) =6253a(27) =6254a(28) =6255a(29) =6260