Number of enriched identity p-trees of weight n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =6a(5) =14a(6) =32a(7) =79a(8) =198a(9) =522a(10) =1368a(11) =3716a(12) =9992a(13) =27612a(14) =75692a(15) =212045a(16) =589478a(17) =1668630a(18) =4690792a(19) =13387332a(20) =37980664a(21) =109098556a(22) =311717768a(23) =900846484a(24) =2589449032a(25) =7515759012a(26) =21720369476a(27) =63305262126a(28) =183726039404a(29) =537364221200