Numbers n such that string 5,8 occurs in the base 9 representation of n but not of n-1.

Terms

a(0) =53a(1) =134a(2) =215a(3) =296a(4) =377a(5) =458a(6) =477a(7) =539a(8) =620a(9) =701a(10) =782a(11) =863a(12) =944a(13) =1025a(14) =1106a(15) =1187a(16) =1206a(17) =1268a(18) =1349a(19) =1430a(20) =1511a(21) =1592a(22) =1673a(23) =1754a(24) =1835a(25) =1916a(26) =1935a(27) =1997a(28) =2078a(29) =2159