# A192191 (b-file synthesized from sequence entry) 1 12 2 288 3 5544 4 57408 5 458400 6 3339648 7 21641088 8 133367808 9 770867712 10 4318341120 11 23246936064 12 122502168576 13 628395515904 14 3173912641536 15 15723815731200 16 76986895564800 17 371499757338624 18 1776217326354432 19 8396759769808896 20 39400619366154240