Number of set partitions of {1..n} where each block has a different average.

A326513

Number of set partitions of {1..n} where each block has a different average.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =4a(4) =12a(5) =40a(6) =154a(7) =650a(8) =3024a(9) =15110a(10) =81538a(11) =468494a(12) =2863340a(13) =18481390a(14) =125838194a(15) =897725927a(16) =6715102246a(17) =52372397021a(18) =425716871241

External references