Numbers n such that string 3,4 occurs in the base 8 representation of n but not of n+1.

Terms

a(0) =28a(1) =92a(2) =156a(3) =220a(4) =231a(5) =284a(6) =348a(7) =412a(8) =476a(9) =540a(10) =604a(11) =668a(12) =732a(13) =743a(14) =796a(15) =860a(16) =924a(17) =988a(18) =1052a(19) =1116a(20) =1180a(21) =1244a(22) =1255a(23) =1308a(24) =1372a(25) =1436a(26) =1500a(27) =1564a(28) =1628a(29) =1692