Number of enriched p-trees of weight n with odd leaves.

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =6a(5) =16a(6) =47a(7) =132a(8) =410a(9) =1254a(10) =4052a(11) =12818a(12) =42783a(13) =139082a(14) =469924a(15) =1563606a(16) =5353966a(17) =18065348a(18) =62491018a(19) =213391790a(20) =743836996a(21) =2565135934a(22) =8994087070a(23) =31251762932a(24) =110245063771a(25) =385443583008