Twice partitioned numbers where the first partition is strict.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =8a(5) =18a(6) =34a(7) =65a(8) =109a(9) =223a(10) =386a(11) =698a(12) =1241a(13) =2180a(14) =3804a(15) =6788a(16) =11390a(17) =19572a(18) =34063a(19) =56826a(20) =96748a(21) =163511a(22) =272898a(23) =452155a(24) =755928a(25) =1244732a(26) =2054710a(27) =3382147a(28) =5534696a(29) =8992209