2026-02-10 22:47:47 +09:00

8 lines
185 B
Python

ans = []
for _ in range(int(input())) :
temp = 0
for k in range(1, int(input())+1) :
temp += k*(k+1)*(k+2)
ans.append(temp//2)
print('\n'.join(list(map(str, ans))))