a(n+1) = a(n) converted to base 8 from base 7 (written in base 10).

Terms

a(0) =7a(1) =8a(2) =9a(3) =10a(4) =11a(5) =12a(6) =13a(7) =14a(8) =16a(9) =18a(10) =20a(11) =22a(12) =25a(13) =28a(14) =32a(15) =36a(16) =41a(17) =46a(18) =52a(19) =67a(20) =84a(21) =104a(22) =134a(23) =169a(24) =217a(25) =280a(26) =360a(27) =531a(28) =750a(29) =1105