Number of partitions of 5n such that cn(0,5) <= cn(1,5) = cn(4,5) <= cn(2,5) = cn(3,5).

Terms

a(0) =1a(1) =4a(2) =12a(3) =34a(4) =85a(5) =203a(6) =454a(7) =985a(8) =2060a(9) =4205a(10) =8363a(11) =16298a(12) =31103a(13) =58319a(14) =107471a(15) =195037a(16) =348795a(17) =615550a(18) =1072706a(19) =1847867a(20) =3148444a(21) =5309948a(22) =8869172a(23) =14680261a(24) =24090035a(25) =39210436a(26) =63327665a(27) =101527253a(28) =161626560a(29) =255579456