# A078919 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 2 6 4 7 12 8 72 9 576 10 12096 11 653184 12 114960384 13 132779243520 14 1269104009564160 15 258206825369885736960 16 2850769895485902112338739200 17 5543726888202115028458043149398835200 18 12452794281642743516125592836044191777302983475200