Number of partitions of n into parts 4k and 4k+3 with at least one part of each type.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =1a(7) =0a(8) =0a(9) =1a(10) =3a(11) =0a(12) =1a(13) =3a(14) =6a(15) =1a(16) =3a(17) =7a(18) =12a(19) =3a(20) =7a(21) =15a(22) =21a(23) =7a(24) =16a(25) =28a(26) =36a(27) =16a(28) =31a(29) =50