Number of enriched p-trees of weight n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =12a(5) =32a(6) =112a(7) =352a(8) =1296a(9) =4448a(10) =16640a(11) =59968a(12) =231168a(13) =856960a(14) =3334400a(15) =12679424a(16) =49991424a(17) =192890880a(18) =767229952a(19) =2998427648a(20) =12015527936a(21) =47438950400a(22) =191117033472a(23) =760625733632