A series of numbers according to a certain rule is (1/2), (1/3), (1/10), (1/15), (1/26), (1/35)...arranged according to this rule , what is the seventh number in this column.
按一定的规律的一列数依次为(1/2)，(1/3)，(1/10)，(1/15)，(1/26)，(1/35)…按此规律排列下去，这列数中的第7个数是多少．
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">7 ** 2</gadget>
<output>49</output>

<gadget id="calculator">49 + 1</gadget>
<output>50</output>

<gadget id="calculator">1 / 50</gadget>
<output>1/50 = around 0.02</output>

<result>1/50 = around 0.02</result>