a(0) = 0, a(1) = 1. Thereafter, a(n) = a(n-1) + a(n-2) converted to base n, read in base n+1.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =3a(5) =6a(6) =10a(7) =18a(8) =31a(9) =54a(10) =93a(11) =172a(12) =300a(13) =536a(14) =955a(15) =1686a(16) =2976a(17) =5224a(18) =9491a(19) =17089a(20) =30618a(21) =54774a(22) =97553a(23) =172749a(24) =305164a(25) =554749a(26) =982005a(27) =1757750a(28) =3140769a(29) =5584153