Numbers n such that string 2,3 occurs in the base 8 representation of n but not of n-1.

Terms

a(0) =19a(1) =83a(2) =147a(3) =152a(4) =211a(5) =275a(6) =339a(7) =403a(8) =467a(9) =531a(10) =595a(11) =659a(12) =664a(13) =723a(14) =787a(15) =851a(16) =915a(17) =979a(18) =1043a(19) =1107a(20) =1171a(21) =1176a(22) =1216a(23) =1299a(24) =1363a(25) =1427a(26) =1491a(27) =1555a(28) =1619a(29) =1683