Numbers whose base-5 representation contains exactly one 2 and three 4's.

Terms

a(0) =374a(1) =574a(2) =614a(3) =622a(4) =999a(5) =1199a(6) =1239a(7) =1247a(8) =1374a(9) =1499a(10) =1749a(11) =1774a(12) =1799a(13) =1849a(14) =1854a(15) =1859a(16) =1869a(17) =1870a(18) =1871a(19) =1873a(20) =2249a(21) =2449a(22) =2489a(23) =2497a(24) =2574a(25) =2614a(26) =2622a(27) =2699a(28) =2739a(29) =2747