1207959551domain: NAppears in sequencesExpansion of (1+x^2-x^3)/((1-x)*(1-2*x)).at n=29A052996a(n) = n*8^n - 1.at n=8A064754Nonprimes of the form n*(n-1)^n - 1.at n=5A110709a(n) = 9*8^n - 1.at n=9A198856