Number of partitions of n into distinct parts such that number of parts is even.

Terms

a(0) =1a(1) =0a(2) =0a(3) =1a(4) =1a(5) =2a(6) =2a(7) =3a(8) =3a(9) =4a(10) =5a(11) =6a(12) =7a(13) =9a(14) =11a(15) =13a(16) =16a(17) =19a(18) =23a(19) =27a(20) =32a(21) =38a(22) =45a(23) =52a(24) =61a(25) =71a(26) =83a(27) =96a(28) =111a(29) =128