Numbers k such that string 7,3 occurs in the base 8 representation of k but not of k-1.

Terms

a(0) =59a(1) =123a(2) =187a(3) =251a(4) =315a(5) =379a(6) =443a(7) =472a(8) =507a(9) =571a(10) =635a(11) =699a(12) =763a(13) =827a(14) =891a(15) =955a(16) =984a(17) =1019a(18) =1083a(19) =1147a(20) =1211a(21) =1275a(22) =1339a(23) =1403a(24) =1467a(25) =1496a(26) =1531a(27) =1595a(28) =1659a(29) =1723