# A321938 (b-file synthesized from sequence entry) 0 1 1 12 2 288 3 51840 4 2488320 5 209018880 6 75246796800 7 180592312320 8 86684309913600 9 73557828698112000 10 86504006548979712000 11 13494625021640835072000 12 9716130015581401251840000 13 23318712037395363004416000 14 559649088897488712105984000