Numbers n such that string 0,4 occurs in the base 9 representation of n but not of n-1.

Terms

a(0) =85a(1) =166a(2) =247a(3) =328a(4) =409a(5) =490a(6) =571a(7) =652a(8) =733a(9) =765a(10) =814a(11) =895a(12) =976a(13) =1057a(14) =1138a(15) =1219a(16) =1300a(17) =1381a(18) =1462a(19) =1494a(20) =1543a(21) =1624a(22) =1705a(23) =1786a(24) =1867a(25) =1948a(26) =2029a(27) =2110a(28) =2191a(29) =2223