[0,1,1,4,15,76,455,3186,25487,229384,2293839, 25232230,302786759,3936227868,55107190151, 826607852266,13225725636255,224837335816336, 4047072044694047,76894368849186894, 1537887376983737879,32295634916658495460, 710503968166486900119]