Number of semiorders on n labeled nodes whose incomparability graph is connected.

A048287

Number of semiorders on n labeled nodes whose incomparability graph is connected.

Terms

    a(0) =1a(1) =1a(2) =7a(3) =61a(4) =751a(5) =11821a(6) =226927a(7) =5142061a(8) =134341711a(9) =3975839341a(10) =131463171247

External references