Number of partitions of n such that the multiplicity of 2*(number of parts) is a part.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =0a(7) =0a(8) =1a(9) =1a(10) =1a(11) =2a(12) =2a(13) =2a(14) =5a(15) =5a(16) =6a(17) =9a(18) =9a(19) =13a(20) =17a(21) =21a(22) =25a(23) =32a(24) =39a(25) =48a(26) =59a(27) =73a(28) =87a(29) =109