Number of partitions of n such that the least part occurs exactly (1/3)*(number of parts) times.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =1a(6) =2a(7) =3a(8) =4a(9) =6a(10) =8a(11) =10a(12) =13a(13) =17a(14) =21a(15) =27a(16) =33a(17) =41a(18) =50a(19) =63a(20) =75a(21) =93a(22) =111a(23) =136a(24) =163a(25) =198a(26) =235a(27) =285a(28) =337a(29) =406