1744830465domain: NAppears in sequencesCullen numbers: a(n) = n*2^n + 1.at n=26A002064Length of longest trail (i.e., path with all distinct edges) on the edges of an n-cube.at n=27A005985a(n) = 2*a(n-1) - 1 with a(0)=14.at n=27A168596