Number of partitions of n into an odd number of parts that are not multiples of 3.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =3a(7) =5a(8) =6a(9) =8a(10) =11a(11) =14a(12) =17a(13) =23a(14) =28a(15) =35a(16) =44a(17) =55a(18) =66a(19) =83a(20) =100a(21) =122a(22) =148a(23) =179a(24) =213a(25) =259a(26) =307a(27) =366a(28) =436a(29) =518