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

Terms

a(0) =1a(1) =2a(2) =4a(3) =11a(4) =28a(5) =69a(6) =153a(7) =323a(8) =647a(9) =1258a(10) =2380a(11) =4427a(12) =8092a(13) =14601a(14) =25991a(15) =45724a(16) =79469a(17) =136604a(18) =232235a(19) =390806a(20) =651132a(21) =1074863a(22) =1758595a(23) =2853386a(24) =4592952a(25) =7337821a(26) =11639376a(27) =18337780a(28) =28704122a(29) =44653849