[1,3,12,66,408,2712,18912,136488,1010784,7637664, 58650240,456377664,3590674176,28516332288, 228297907200,1840515987072,14929020470784, 121749590032896,997676696045568,8210704762960896, 67835018440593408,562407734010335232, 4677727530446635008]