Sum of largest parts of all compositions of n.

Terms

a(0) =1a(1) =3a(2) =8a(3) =19a(4) =43a(5) =94a(6) =202a(7) =428a(8) =899a(9) =1875a(10) =3890a(11) =8036a(12) =16544a(13) =33962a(14) =69552a(15) =142149a(16) =290017a(17) =590814a(18) =1202016a(19) =2442706a(20) =4958974a(21) =10058216a(22) =20384498a(23) =41282346a(24) =83549603a(25) =168992081a(26) =341627732a(27) =690279026a(28) =1394115072a(29) =2814430326