Numbers k such that string 4,6 occurs in the base 8 representation of k but not of k-1.

Terms

a(0) =38a(1) =102a(2) =166a(3) =230a(4) =294a(5) =304a(6) =358a(7) =422a(8) =486a(9) =550a(10) =614a(11) =678a(12) =742a(13) =806a(14) =816a(15) =870a(16) =934a(17) =998a(18) =1062a(19) =1126a(20) =1190a(21) =1254a(22) =1318a(23) =1328a(24) =1382a(25) =1446a(26) =1510a(27) =1574a(28) =1638a(29) =1702