[1,2,19,253,3920,66221,1183077,21981764,420449439, 8223704755,163727846678,3307039145618, 67600147666909,1395822347989531,29070233296701815, 609950649080323320,12881240945694949696, 273590092192962485985,5840400740191969187922]