Summarize the previous term!.

Terms

a(0) =0a(1) =10a(2) =1011a(3) =1031a(4) =102113a(5) =10311213a(6) =10411223a(7) =1031221314a(8) =1041222314a(9) =1031321324a(10) =1031223314a(11) =1031223314a(12) =1031223314a(13) =1031223314a(14) =1031223314a(15) =1031223314a(16) =1031223314a(17) =1031223314a(18) =1031223314a(19) =1031223314a(20) =1031223314