Egyptian fractions: number of solutions to 1 = 1/x_1 + ... + 1/x_n in positive integers x_1 < ... < x_n.

A006585

Egyptian fractions: number of solutions to 1 = 1/x_1 + ... + 1/x_n in positive integers x_1 < ... < x_n.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =6a(4) =72a(5) =2320a(6) =245765a(7) =151182379

External references