[0,4,10,24,54,116,250,528,1118,2348,4930,10312, 21542,44900,93450,194176,402926,834972,1728210, 3572920,7378870,15223764,31379610,64623344, 132974974,273406476,561726050,1153278248, 2366208838,4851722308]