Sum of the asymmetry degrees of all compositions of n with parts in {1,2}.

Terms

a(0) =0a(1) =0a(2) =0a(3) =2a(4) =2a(5) =6a(6) =12a(7) =22a(8) =42a(9) =78a(10) =140a(11) =252a(12) =448a(13) =788a(14) =1380a(15) =2402a(16) =4158a(17) =7170a(18) =12316a(19) =21082a(20) =35982a(21) =61246a(22) =103992a(23) =176184a(24) =297888a(25) =502728a(26) =846984a(27) =1424738a(28) =2393114a(29) =4014270