Numbers n such that string 0,7 occurs in the base 9 representation of n but not of n-1.

Terms

a(0) =88a(1) =169a(2) =250a(3) =331a(4) =412a(5) =493a(6) =574a(7) =655a(8) =736a(9) =792a(10) =817a(11) =898a(12) =979a(13) =1060a(14) =1141a(15) =1222a(16) =1303a(17) =1384a(18) =1465a(19) =1521a(20) =1546a(21) =1627a(22) =1708a(23) =1789a(24) =1870a(25) =1951a(26) =2032a(27) =2113a(28) =2194a(29) =2250