Numbers n such that string 8,6 occurs in the base 9 representation of n but not of n+1.

Terms

a(0) =78a(1) =159a(2) =240a(3) =321a(4) =402a(5) =483a(6) =564a(7) =645a(8) =710a(9) =726a(10) =807a(11) =888a(12) =969a(13) =1050a(14) =1131a(15) =1212a(16) =1293a(17) =1374a(18) =1439a(19) =1455a(20) =1536a(21) =1617a(22) =1698a(23) =1779a(24) =1860a(25) =1941a(26) =2022a(27) =2103a(28) =2168a(29) =2184