# A128406 (b-file synthesized from sequence entry) 0 1 1 8 2 192 3 16384 4 5242880 5 6442450944 6 30786325577728 7 576460752303423488 8 42501298345826806923264 9 12379400392853802748991242240 10 14278816360970775978458864905355264 11 65334214448820184984967924626899496599552 12 1187470080331358621040493926581979953470445191168