Number of partitions of 2*n into exactly n prime powers (including 1).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =6a(6) =10a(7) =13a(8) =19a(9) =24a(10) =34a(11) =42a(12) =58a(13) =71a(14) =94a(15) =116a(16) =151a(17) =182a(18) =234a(19) =282a(20) =354a(21) =424a(22) =528a(23) =627a(24) =773a(25) =914a(26) =1113a(27) =1311a(28) =1585a(29) =1854