Sum of the degrees of asymmetry of all compositions of n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =2a(4) =4a(5) =12a(6) =28a(7) =68a(8) =156a(9) =356a(10) =796a(11) =1764a(12) =3868a(13) =8420a(14) =18204a(15) =39140a(16) =83740a(17) =178404a(18) =378652a(19) =800996a(20) =1689372a(21) =3553508a(22) =7456540a(23) =15612132a(24) =32622364a(25) =68040932a(26) =141674268a(27) =294533348a(28) =611436316a(29) =1267611876