Number of parts in all twice partitions of n where both partitions are strict.

Terms

a(0) =0a(1) =1a(2) =1a(3) =5a(4) =8a(5) =15a(6) =28a(7) =49a(8) =86a(9) =156a(10) =259a(11) =412a(12) =679a(13) =1086a(14) =1753a(15) =2826a(16) =4400a(17) =6751a(18) =10703a(19) =16250a(20) =24757a(21) =38047a(22) =57459a(23) =85861a(24) =129329a(25) =192660a(26) =286177a(27) =424358a(28) =624510a(29) =915105