Number of separable partitions of n that consist of an even number of parts.

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =4a(5) =4a(6) =7a(7) =8a(8) =9a(9) =12a(10) =15a(11) =19a(12) =26a(13) =37a(14) =46a(15) =70a(16) =91a(17) =127a(18) =163a(19) =219a(20) =283a(21) =365a(22) =456a(23) =582a(24) =716a(25) =893a(26) =1105a(27) =1336a(28) =1642a(29) =1998