Sum of the asymmetry degrees of all compositions of n with parts in {1,4}.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =2a(6) =2a(7) =4a(8) =4a(9) =8a(10) =14a(11) =20a(12) =32a(13) =44a(14) =70a(15) =104a(16) =152a(17) =228a(18) =326a(19) =488a(20) =704a(21) =1026a(22) =1492a(23) =2144a(24) =3120a(25) =4470a(26) =6450a(27) =9256a(28) =13256a(29) =19026