Numbers whose base-5 representation contains exactly two 0's and two 4's.

Terms

a(0) =504a(1) =520a(2) =600a(3) =649a(4) =729a(5) =745a(6) =1129a(7) =1145a(8) =1225a(9) =1274a(10) =1354a(11) =1370a(12) =1754a(13) =1770a(14) =1850a(15) =1899a(16) =1979a(17) =1995a(18) =2379a(19) =2395a(20) =2475a(21) =2509a(22) =2514a(23) =2519a(24) =2521a(25) =2522a(26) =2523a(27) =2529a(28) =2545a(29) =2554