[0,1,3,8,18,40,88,192,400,832,1728,3584,7424, 15360,31744,65536,133120,270336,548864,1114112, 2260992,4587520,9306112,18874368,38273024, 77594624,157286400,318767104,645922816,1308622848, 2650800128]