Resumen de Sharp inequalities for factorial n
Let n be a positive integer. We provewith the best possible constantsα = 1 - 2πe-2 = 0.149663... and β = 1/6 = 0.1666666...This refines and extends a result of Sandor and Debnath, who proved that the double inequality holds with α = 0 and β = 1.
