[1,2,16,161,1716,18832,210574,2385644,27290916, 314537894,3646709616,42483615330,496908084660, 5831654186256,68636514069496,809835178438996, 9575879777488676,113445872396014898, 1346272950075766624,16000494256911975827, 190424554847852203816]