# A370548 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 12 5 12 6 72 7 252 8 2016 9 18144 10 36288 11 199584 12 2395008 13 2395008 14 33530112 15 50295168 16 804722688 17 804722688 18 14485008384 19 137607579648 20 550430318592 21 11559036690432 22 254298807189504 23 2924436282679296 24 3694024778121216 25 70186470784303104 26 140372941568606208