Number of partitions of n for which 2*(number of distinct parts) <= (number of parts).

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =2a(5) =2a(6) =6a(7) =6a(8) =10a(9) =13a(10) =20a(11) =26a(12) =39a(13) =50a(14) =71a(15) =87a(16) =121a(17) =156a(18) =208a(19) =265a(20) =348a(21) =440a(22) =566a(23) =712a(24) =906a(25) =1131a(26) =1424a(27) =1766a(28) =2224a(29) =2738