Number of unimodal functions f:[n]->[n^2].

A227402

Number of unimodal functions f:[n]->[n^2].

Terms

    a(0) =1a(1) =1a(2) =16a(3) =525a(4) =24616a(5) =1505205a(6) =113772114a(7) =10253539205

External references