# A078601 (b-file synthesized from sequence entry) 1 1 2 3 3 42 4 1080 5 51840 6 3758400 7 382838400 8 52733721600 9 9400624128000 10 2105593491456000 11 579255485276160000 12 191957359005941760000 13 75420399121328701440000 14 34668462695110852608000000 15 18432051070888873171353600000 16 11223248177765618214764544000000 17 7759395812038133743242706944000000