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) =4a(2) =11a(3) =29a(4) =69a(5) =160a(6) =349a(7) =743a(8) =1526a(9) =3067a(10) =6011a(11) =11566a(12) =21813a(13) =40476a(14) =73879a(15) =132927a(16) =235842a(17) =413211a(18) =715261a(19) =1224476a(20) =2074156a(21) =3479110a(22) =5781362a(23) =9523182a(24) =15556055a(25) =25210722a(26) =40550228a(27) =64757269a(28) =102708208a(29) =161838160