Egyptian fractions: number of solutions of 1 = 1/x_1 + ... + 1/x_n in positive integers x_1 < ... < x_n <= 256.

A144063

Egyptian fractions: number of solutions of 1 = 1/x_1 + ... + 1/x_n in positive integers x_1 < ... < x_n <= 256.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =6a(4) =62a(5) =642a(6) =5623a(7) =47126a(8) =368680a(9) =2715613a(10) =18876751a(11) =124137535a(12) =774232619a(13) =4595291801a(14) =26030660449a(15) =141031079451a(16) =731862267491

External references