Sum of the fourth largest parts in the partitions of n into 5 parts.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =1a(7) =2a(8) =3a(9) =6a(10) =9a(11) =13a(12) =18a(13) =27a(14) =36a(15) =50a(16) =64a(17) =86a(18) =109a(19) =140a(20) =175a(21) =220a(22) =269a(23) =331a(24) =399a(25) =486a(26) =577a(27) =689a(28) =811a(29) =959