Composite numbers which in base 8 contain their largest proper factor as a substring.

Terms

a(0) =893a(1) =1961a(2) =7087a(3) =14219a(4) =30607a(5) =35417a(6) =47053a(7) =53953a(8) =55421a(9) =61513a(10) =80089a(11) =90509a(12) =127067a(13) =157967a(14) =162521a(15) =186059a(16) =233273a(17) =340987a(18) =344051a(19) =378589a(20) =442583a(21) =458441a(22) =469213a(23) =607567a(24) =617503a(25) =668923a(26) =671599a(27) =739561a(28) =767341a(29) =868591