[1,3,15,81,435,2349,12681,68499,370023,1998945, 10798821,58338495,315162657,1702608147,9198028791, 49690672857,268444806483,1450224181197, 7834572084033,42324849273915,228652292458773, 1235252381526711,6673226101644267, 36050889090859101]