MathDB
Eugene Oneginteger outputs of polynomial

Source: 2017 AIME II #8

March 23, 2017
AIMEAIME IAIME IIalgebrapolynomial

Problem Statement

Find the number of positive integers nn less than 20172017 such that 1+n+n22!+n33!+n44!+n55!+n66! 1+n+\frac{n^2}{2!}+\frac{n^3}{3!}+\frac{n^4}{4!}+\frac{n^5}{5!}+\frac{n^6}{6!} is an integer.