List all positive integers n such that Wn has an Euler circu

List all positive integers n such that W_n has an Euler circuit. List all positive integers n such that K_n has a Hamilton circuit. List all positive integers n such that W_n has a Hamilton circuit.

Solution

6)  all positive integers n such that Wn has an Euler circuit. : None.

7) all positive integers n such that Kn has a Hamilton circuit. : All n except n = 2.

8) all positive integers n such that Wn has a Hamilton circuit: All n.