Number of partitions of n such that the number of even parts is a part.

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =2a(5) =3a(6) =5a(7) =7a(8) =10a(9) =15a(10) =21a(11) =28a(12) =38a(13) =51a(14) =67a(15) =89a(16) =116a(17) =149a(18) =192a(19) =245a(20) =310a(21) =393a(22) =494a(23) =617a(24) =770a(25) =956a(26) =1181a(27) =1457a(28) =1790a(29) =2190