Number of partitions of n with equal number of parts congruent to each of 1 and 3 (mod 4).

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =3a(5) =0a(6) =4a(7) =0a(8) =10a(9) =0a(10) =13a(11) =0a(12) =28a(13) =0a(14) =37a(15) =0a(16) =72a(17) =0a(18) =96a(19) =0a(20) =172a(21) =0a(22) =230a(23) =0a(24) =391a(25) =0a(26) =522a(27) =0a(28) =846a(29) =0