Sum of the degrees of asymmetry of all binary words of length n.

Terms

a(0) =0a(1) =0a(2) =2a(3) =4a(4) =16a(5) =32a(6) =96a(7) =192a(8) =512a(9) =1024a(10) =2560a(11) =5120a(12) =12288a(13) =24576a(14) =57344a(15) =114688a(16) =262144a(17) =524288a(18) =1179648a(19) =2359296a(20) =5242880a(21) =10485760a(22) =23068672a(23) =46137344a(24) =100663296a(25) =201326592a(26) =436207616a(27) =872415232a(28) =1879048192a(29) =3758096384