Number of partitions of n into parts 4k or 4k+1.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =3a(6) =3a(7) =5a(8) =7a(9) =8a(10) =8a(11) =11a(12) =15a(13) =17a(14) =18a(15) =23a(16) =30a(17) =35a(18) =37a(19) =45a(20) =57a(21) =66a(22) =71a(23) =84a(24) =104a(25) =121a(26) =131a(27) =151a(28) =183a(29) =212