Function to find Nth term
def nthTerm ( N ) : NEW_LINE INDENT nth = 0 ; first_term = 4 ; NEW_LINE pi = 1 ; po = 1 ; NEW_LINE n = N ; NEW_LINE while ( n > 1 ) : NEW_LINE INDENT pi *= n - 1 ; NEW_LINE n -= 1 ; NEW_LINE po *= 2 ; NEW_LINE DEDENT DEDENT