Number of partitions of n such that the (sum of all odd parts) = floor(n/2).

Terms

a(0) =0a(1) =0a(2) =1a(3) =1a(4) =0a(5) =0a(6) =4a(7) =4a(8) =0a(9) =0a(10) =9a(11) =12a(12) =0a(13) =0a(14) =25a(15) =30a(16) =0a(17) =0a(18) =56a(19) =70a(20) =0a(21) =0a(22) =132a(23) =165a(24) =0a(25) =0a(26) =270a(27) =330a(28) =0a(29) =0