Number of endofunctions on [n] such that the number of elements that are mapped to i is either 0 or a prime divisor of i.

A364328

Number of endofunctions on [n] such that the number of elements that are mapped to i is either 0 or a prime divisor of i.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =6a(5) =21a(6) =110a(7) =904a(8) =4312a(9) =74400a(10) =731412a(11) =5600761a(12) =128196024a(13) =792051157a(14) =18696610816a(15) =264267572121

External references