Number of partitions of 3n into n parts from the set {0, 1, ..., 6} (repetitions admissible).

Terms

a(0) =1a(1) =1a(2) =4a(3) =8a(4) =18a(5) =32a(6) =58a(7) =94a(8) =151a(9) =227a(10) =338a(11) =480a(12) =676a(13) =920a(14) =1242a(15) =1636a(16) =2137a(17) =2739a(18) =3486a(19) =4370a(20) =5444a(21) =6698a(22) =8196a(23) =9926a(24) =11963a(25) =14293a(26) =17002a(27) =20076a(28) =23612a(29) =27594