Number of partitions of n into parts >= 3.

Terms

a(0) =1a(1) =0a(2) =0a(3) =1a(4) =1a(5) =1a(6) =2a(7) =2a(8) =3a(9) =4a(10) =5a(11) =6a(12) =9a(13) =10a(14) =13a(15) =17a(16) =21a(17) =25a(18) =33a(19) =39a(20) =49a(21) =60a(22) =73a(23) =88a(24) =110a(25) =130a(26) =158a(27) =191a(28) =230a(29) =273