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

Terms

a(0) =1a(1) =3a(2) =7a(3) =17a(4) =40a(5) =94a(6) =212a(7) =464a(8) =980a(9) =2010a(10) =4011a(11) =7820a(12) =14927a(13) =27968a(14) =51519a(15) =93450a(16) =167106a(17) =294902a(18) =514054a(19) =885804a(20) =1509945a(21) =2547768a(22) =4257734a(23) =7050954a(24) =11576404a(25) =18851628a(26) =30461253a(27) =48857762a(28) =77813497a(29) =123097971