A109322 with duplicates removed.

Terms

a(0) =2a(1) =9a(2) =49a(3) =423a(4) =1333a(5) =4425a(6) =8763a(7) =14089a(8) =22825a(9) =40291a(10) =178705a(11) =661285a(12) =4543141a(13) =20706715a(14) =29243521a(15) =31089603a(16) =32341621a(17) =99158905a(18) =417976441a(19) =1186496401a(20) =1540962199a(21) =2097064537a(22) =8602909969