# A182162 (b-file synthesized from sequence entry) 1 1 2 2 3 12 4 192 5 24 6 8160 7 2400 8 898560 9 384480 10 14400 11 245145600 12 126040320 13 9777600 14 50400 15 159035627520 16 90043269120 17 9660672000 18 179222400 19 80640 20 237882053283840 21 141969202744320 22 17961178152960 23 547498828800 24 2586608640 25 802369403419852800