Number of partitions of n with equal nonzero number of parts congruent to each of 1 and 2 (mod 4).

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =0a(5) =0a(6) =2a(7) =3a(8) =0a(9) =3a(10) =7a(11) =7a(12) =4a(13) =11a(14) =20a(15) =19a(16) =15a(17) =34a(18) =51a(19) =45a(20) =48a(21) =91a(22) =117a(23) =107a(24) =132a(25) =215a(26) =254a(27) =248a(28) =323a(29) =473