States of a dynamic storage system.

Terms

a(0) =1a(1) =2a(2) =4a(3) =7a(4) =13a(5) =23a(6) =46a(7) =88a(8) =186a(9) =395a(10) =880a(11) =1989a(12) =4644a(13) =10934a(14) =26210a(15) =63319a(16) =154377a(17) =378443a(18) =933022a(19) =2308956a(20) =5735371a(21) =14286907a(22) =35683814a(23) =89324137a(24) =224057918a(25) =563033978a(26) =1417210456a(27) =3572641303a(28) =9018885121a(29) =22796905055