def sq(i):
    return i**2

def increase(n):
    """Returns three values from three different ways
    to determine what the increase from n-1 to n was."""
    return 2*(n-1)+1, 2*n-1, sq(n)-sq(n-1)

for i in range(1,101):
    print increase(i)

##for i in range(1, 100):
##    print str(i).zfill(7) + ':\t'+str(sq(i))+'\t+'+str(sq(i+1)-sq(i))