a(n) is the smallest k such that k! has at least n consecutive zeros immediately after the leading digit in base 10.

A356739

a(n) is the smallest k such that k! has at least n consecutive zeros immediately after the leading digit in base 10.

Terms

    a(0) =7a(1) =153a(2) =197a(3) =7399a(4) =24434a(5) =24434a(6) =9242360a(7) =238861211a(8) =238861211

External references