Sum of the lengths of degree of suffix compression achieved for all binary strings of length n.

Terms

a(0) =0a(1) =2a(2) =6a(3) =18a(4) =38a(5) =98a(6) =198a(7) =442a(8) =904a(9) =1928a(10) =3858a(11) =8050a(12) =16102a(13) =32878a(14) =65926a(15) =133430a(16) =266862a(17) =537692a(18) =1075386a(19) =2159044a(20) =4318990a(21) =8656396a(22) =17312794a(23) =34668432a(24) =69337016a(25) =138763784a(26) =277532124a(27) =555260052a(28) =1110520106a(29) =2221474736