[2,4,12,40,148,572,2248,8920,35536,141860,566880, 2266400,9063372,36249044,144987304,579931488, 2319690516,9278691224,37114623248,148458209744, 593832272556,2375327957436,9501309564288, 38005233726372,152020925844036]