Number of partitions of n such that the set of parts has an even number of elements.

Terms

a(0) =1a(1) =0a(2) =0a(3) =1a(4) =2a(5) =5a(6) =6a(7) =11a(8) =13a(9) =17a(10) =23a(11) =29a(12) =34a(13) =47a(14) =64a(15) =74a(16) =107a(17) =136a(18) =185a(19) =233a(20) =308a(21) =392a(22) =518a(23) =637a(24) =814a(25) =1002a(26) =1272a(27) =1560a(28) =1912a(29) =2339