One third the number of solid partitions of n with 5 parts.

Terms

a(0) =8a(1) =8a(2) =25a(3) =44a(4) =77a(5) =115a(6) =182a(7) =257a(8) =370a(9) =497a(10) =672a(11) =872a(12) =1136a(13) =1427a(14) =1797a(15) =2214a(16) =2718a(17) =3280a(18) =3954a(19) =4695a(20) =5567a(21) =6523a(22) =7628a(23) =8838a(24) =10219a(25) =11717a(26) =13412a(27) =15252a(28) =17307a(29) =19524