−3,−1,1,3,...minus, 3, comma, minus, 1, comma, 1, comma, 3, comma, point, point, point. b(1)=b(1)=b, left parenthesis, 1, right parenthesis, equals b(n)=b(n-1)+b(n)=b(n−1)+b, left parenthesis, n, right parenthesis, equals, b, left parenthesis, n, minus, 1, right parenthesis, plus