# A353029 (b-file synthesized from sequence entry) 1 0 2 0 3 16 4 1152 5 16640 6 140800 7 887040 8 4616192 9 20987904 10 86261760 11 327782400 12 1169653760 13 3964207104 14 12869828608 15 40285306880 16 122211532800 17 360794030080 18 1040028008448 19 2935426646016 20 8130951905280 21 22146344550400 22 59411980615680 23 157208570494976