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) =3a(3) =6a(4) =13a(5) =33a(6) =78a(7) =177a(8) =376a(9) =763a(10) =1489a(11) =2826a(12) =5241a(13) =9550a(14) =17140a(15) =30362a(16) =53138a(17) =91962a(18) =157448a(19) =266815a(20) =447699a(21) =744146a(22) =1225723a(23) =2001607a(24) =3241805a(25) =5209497a(26) =8309317a(27) =13160012a(28) =20701952a(29) =32357095