a(n) = number of Egyptian fractions 1 = 1/x_1 + ... + 1/x_n such that 0 < x_1 < ... < x_n and x_k | x_n for all k = 1..n.

A374583

a(n) = number of Egyptian fractions 1 = 1/x_1 + ... + 1/x_n such that 0 < x_1 < ... < x_n and x_k | x_n for all k = 1..n.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =5a(4) =44a(5) =975a(6) =59234a(7) =15474226

External references