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

Terms

a(0) =9a(1) =72a(2) =137a(3) =201a(4) =265a(5) =329a(6) =393a(7) =457a(8) =521a(9) =576a(10) =649a(11) =713a(12) =777a(13) =841a(14) =905a(15) =969a(16) =1033a(17) =1096a(18) =1161a(19) =1225a(20) =1289a(21) =1353a(22) =1417a(23) =1481a(24) =1545a(25) =1608a(26) =1673a(27) =1737a(28) =1801a(29) =1865