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

A374582

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

Terms

    a(0) =1a(1) =1a(2) =3a(3) =12a(4) =97a(5) =1568a(6) =76309a(7) =16993752

External references