a(0)=0, a(1)=1; and a(n) = a(n-1) + a(a(n-1) mod n) for n>=2.

Terms

a(0) =0a(1) =1a(2) =2a(3) =4a(4) =4a(5) =8a(6) =10a(7) =14a(8) =24a(9) =34a(10) =38a(11) =46a(12) =84a(13) =94a(14) =132a(15) =216a(16) =240a(17) =242a(18) =266a(19) =266a(20) =276a(21) =280a(22) =520a(23) =652a(24) =656a(25) =666a(26) =906a(27) =1122a(28) =1124a(29) =1644