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) =0a(1) =1a(2) =4a(3) =12a(4) =29a(5) =66a(6) =137a(7) =279a(8) =546a(9) =1057a(10) =2000a(11) =3746a(12) =6886a(13) =12508a(14) =22360a(15) =39477a(16) =68736a(17) =118309a(18) =201207a(19) =338672a(20) =564211a(21) =931342a(22) =1523628a(23) =2472228a(24) =3979651a(25) =6359094a(26) =10088975a(27) =15899507a(28) =24894711a(29) =38740189