Number of partitions of 2n into n divisors of 2n.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =2a(6) =8a(7) =2a(8) =4a(9) =9a(10) =9a(11) =2a(12) =36a(13) =2a(14) =10a(15) =45a(16) =12a(17) =2a(18) =104a(19) =2a(20) =54a(21) =69a(22) =15a(23) =2a(24) =289a(25) =15a(26) =16a(27) =100a(28) =83a(29) =2