Numbers having four 2's in base 5.

Terms

a(0) =312a(1) =937a(2) =1312a(3) =1437a(4) =1512a(5) =1537a(6) =1552a(7) =1557a(8) =1560a(9) =1561a(10) =1563a(11) =1564a(12) =1567a(13) =1572a(14) =1587a(15) =1612a(16) =1687a(17) =1812a(18) =2187a(19) =2812a(20) =3437a(21) =4062a(22) =4437a(23) =4562a(24) =4637a(25) =4662a(26) =4677a(27) =4682a(28) =4685a(29) =4686