Numbers k such that string 1,0 occurs in the base 7 representation of k but not of k-1.

Terms

a(0) =7a(1) =49a(2) =105a(3) =154a(4) =203a(5) =252a(6) =301a(7) =343a(8) =448a(9) =497a(10) =546a(11) =595a(12) =644a(13) =693a(14) =735a(15) =791a(16) =840a(17) =889a(18) =938a(19) =987a(20) =1036a(21) =1078a(22) =1134a(23) =1183a(24) =1232a(25) =1281a(26) =1330a(27) =1379a(28) =1421a(29) =1477