# A284206 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 362880 10 3265920 11 33022080 12 369774720 13 4536362880 14 60451816320 15 869007242880 16 13397819541120 17 220448163358080 18 3854801333416320 19 71370457471716480 20 1394586705296776320 21 28676809138124407680 22 618948032364173877120