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) =3a(3) =7a(4) =14a(5) =30a(6) =62a(7) =133a(8) =275a(9) =562a(10) =1109a(11) =2145a(12) =4035a(13) =7457a(14) =13509a(15) =24115a(16) =42405a(17) =73667a(18) =126420a(19) =214681a(20) =360778a(21) =600625a(22) =990756a(23) =1620449a(24) =2628504a(25) =4230770a(26) =6758916a(27) =10721739a(28) =16892541a(29) =26443435