Number of endofunctions on [n] such that the number of elements that are mapped to i is a multiple or a divisor of i.

A364344

Number of endofunctions on [n] such that the number of elements that are mapped to i is a multiple or a divisor of i.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =20a(4) =177a(5) =1462a(6) =21919a(7) =254802a(8) =4816788a(9) =82401465a(10) =1929926410a(11) =35256890748

External references