Number of non-isomorphic spanning hyperforests of weight n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =6a(5) =9a(6) =18a(7) =29a(8) =56a(9) =97a(10) =186a(11) =337a(12) =657a(13) =1238a(14) =2442a(15) =4768a(16) =9569a(17) =19174a(18) =39151a(19) =80154a(20) =166211a(21) =346239a(22) =727853a(23) =1537611a(24) =3270710a(25) =6989669a(26) =15018389a(27) =32405378a(28) =70230238a(29) =152772075