Number of partitions of n with equal nonzero number of parts congruent to each of 0 and 3 (mod 4).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =1a(8) =1a(9) =2a(10) =2a(11) =5a(12) =6a(13) =10a(14) =12a(15) =19a(16) =24a(17) =35a(18) =43a(19) =60a(20) =75a(21) =102a(22) =127a(23) =166a(24) =206a(25) =266a(26) =329a(27) =416a(28) =511a(29) =640