Total number of factorial parts in all compositions of n.

Terms

a(0) =0a(1) =1a(2) =3a(3) =7a(4) =17a(5) =40a(6) =93a(7) =210a(8) =469a(9) =1036a(10) =2268a(11) =4928a(12) =10640a(13) =22848a(14) =48832a(15) =103936a(16) =220416a(17) =465920a(18) =982016a(19) =2064384a(20) =4329472a(21) =9060352a(22) =18923520a(23) =39452672a(24) =82116609a(25) =170655746a(26) =354156549a(27) =734003212a(28) =1519386652a(29) =3141533760