Number of partitions of n with rank a multiple of 3.

Terms

a(0) =1a(1) =0a(2) =1a(3) =3a(4) =1a(5) =3a(6) =7a(7) =6a(8) =10a(9) =16a(10) =16a(11) =25a(12) =37a(13) =43a(14) =58a(15) =81a(16) =95a(17) =127a(18) =168a(19) =205a(20) =264a(21) =340a(22) =413a(23) =523a(24) =660a(25) =806a(26) =1002a(27) =1248a(28) =1513a(29) =1866