# A363396 (b-file synthesized from sequence entry) 0 1 1 6 2 68 3 1280 4 33104 5 1089312 6 43575104 7 2053324800 8 111402371328 9 6839846858240 10 468857355838464 11 35494174578769920 12 2941165554120118272 13 264782344216518696960 14 25734702989598729256960 15 2685663154208346271121408 16 299529317622247725531725824 17 35554080433116190335493865472