a(n) is the smallest k > 1 such that A000166(k) is divisible by n!.

A293246

a(n) is the smallest k > 1 such that A000166(k) is divisible by n!.

Terms

    a(0) =2a(1) =2a(2) =3a(3) =7a(4) =25a(5) =121a(6) =241a(7) =1681a(8) =13441a(9) =40321a(10) =403201a(11) =2016001a(12) =3225601a(13) =41932801a(14) =609638401

External references