Number of simple (not necessarily connected) untraceable graphs on n nodes.

A283420

Number of simple (not necessarily connected) untraceable graphs on n nodes.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =6a(4) =16a(5) =65a(6) =310a(7) =2316a(8) =26241a(9) =522596a(10) =18766354

External references