[1,1,3,6,13,26,54,108,219,439,882,1766,3539,7081, 14172,28351,56716,113443,226908,453833,907698, 1815424,3630893,7261829,14523725,29047513, 58095121,116190338,232380810,464761759,929523710, 1859047619,3718095507,7436191301]