in the number series 1,2,5,26,……,the 5th number is（ ）

in the number series 1,2,5,26,……,the 5th number is（ ） In the number series 1,2,5,26...,the 5th number is____. What number is 2nd in the series 26,forty and seven? （求救）高中英语单选1,Each number in the series 2-4-8-16 is twice as l Challenge Question * What is the 4th number in th 一道英语的智力题求解What would be the next number in this series?0,5,1 what number comes next in the following series? 奥英难题,1.What number comes next in the following series?9,12,2 1.单项选择What number come next in the following series（系列）?9,12 附表为高手名单Find the 6th Number?1→2→6→42→1806→?The 6th number is If 1/5 of a number is 12,What is 3/10 of the same number? what is the number in the middle