Number of partitions of n with no part equal to 1 or 3.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =2a(5) =1a(6) =3a(7) =2a(8) =5a(9) =4a(10) =8a(11) =7a(12) =13a(13) =12a(14) =20a(15) =20a(16) =31a(17) =32a(18) =47a(19) =50a(20) =71a(21) =77a(22) =105a(23) =116a(24) =155a(25) =173a(26) =225a(27) =254a(28) =325a(29) =369