Number of integer partitions of n whose length is a semi-sum of the parts.

Terms

a(0) =0a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =3a(7) =3a(8) =6a(9) =7a(10) =14a(11) =15a(12) =25a(13) =30a(14) =46a(15) =54a(16) =80a(17) =97a(18) =139a(19) =169a(20) =229a(21) =282a(22) =382a(23) =461a(24) =607a(25) =746a(26) =962a(27) =1173a(28) =1499a(29) =1817