Number of labeled n-vertex graphs without a 2-component.

A093352

Number of labeled n-vertex graphs without a 2-component.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =5a(4) =55a(5) =959a(6) =31883a(7) =2076383a(8) =267530657a(9) =68644357201

External references