Number of labeled interval graphs with n nodes.

A005215

Number of labeled interval graphs with n nodes.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =61a(4) =822a(5) =17914a(6) =571475a(7) =24566756a(8) =1346167320a(9) =90729050427

External references