Sum of the fourth largest parts in the partitions of n into 6 parts.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =1a(7) =1a(8) =2a(9) =3a(10) =6a(11) =9a(12) =15a(13) =20a(14) =31a(15) =42a(16) =61a(17) =80a(18) =112a(19) =143a(20) =191a(21) =243a(22) =316a(23) =393a(24) =501a(25) =613a(26) =767a(27) =930a(28) =1141a(29) =1367