Numbers without digit 0 or 5 whose "waterfall sequence" ends in 0,0,0,...

Terms

a(0) =69a(1) =78a(2) =87a(3) =96a(4) =98a(5) =169a(6) =178a(7) =187a(8) =196a(9) =619a(10) =696a(11) =718a(12) =787a(13) =817a(14) =872a(15) =873a(16) =878a(17) =916a(18) =961a(19) =962a(20) =969a(21) =1169a(22) =1178a(23) =1691a(24) =1781a(25) =2987a(26) =6911a(27) =6916a(28) =6961a(29) =6962