a(n+1) = a(n) converted to base 8 from base 6 (written in base 10).

Terms

a(0) =6a(1) =8a(2) =10a(3) =12a(4) =16a(5) =20a(6) =26a(7) =34a(8) =44a(9) =74a(10) =130a(11) =220a(12) =516a(13) =1168a(14) =2708a(15) =8394a(16) =34120a(17) =140132a(18) =786714a(19) =5410888a(20) =52875412a(21) =693422804a(22) =14304757018a(23) =578117808476