帕多瓦数列帕多瓦数列是1,1,1,2,2,3,4,5,7,9,12,16,21,28,37,49,6...它从第四项开始,每一项都是前面2项与前面3项的和.即x=（x-2）+（x-3）,x为项的序数（x＞4）.1,1,1,2,2,3,4,5,7,9,12,16,21,28,37,49,65,86,114,15...