Numbers k such that string 4,5 occurs in the base 8 representation of k but not of k-1.

Terms

a(0) =37a(1) =101a(2) =165a(3) =229a(4) =293a(5) =296a(6) =357a(7) =421a(8) =485a(9) =549a(10) =613a(11) =677a(12) =741a(13) =805a(14) =808a(15) =869a(16) =933a(17) =997a(18) =1061a(19) =1125a(20) =1189a(21) =1253a(22) =1317a(23) =1320a(24) =1381a(25) =1445a(26) =1509a(27) =1573a(28) =1637a(29) =1701