Number of inequivalent leaf-colorings of rooted trees with n nodes.

A318226

Number of inequivalent leaf-colorings of rooted trees with n nodes.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =8a(4) =25a(5) =80a(6) =286a(7) =1070a(8) =4280a(9) =17946a(10) =78907a(11) =361248a(12) =1718001a(13) =8456130a(14) =42980034a(15) =225066289a(16) =1212028798a(17) =6701265897a(18) =37986122037a(19) =220477639797

External references