Number of overcompositions of n minus the number of overpartitions of n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =4a(4) =12a(5) =36a(6) =104a(7) =260a(8) =628a(9) =1448a(10) =3344a(11) =7464a(12) =16564a(13) =36180a(14) =78480a(15) =169232a(16) =362732a(17) =774172a(18) =1645508a(19) =3485788a(20) =7360208a(21) =15503432a(22) =32571360a(23) =68289536a(24) =142880552a(25) =298417848a(26) =622194236a(27) =1295266596a(28) =2692514348a(29) =5589496748