# A125368 (b-file synthesized from sequence entry) 0 1 1 31 2 259 3 1711 4 13259 5 104181 6 838567 7 6839941 8 56392139 9 468718939 10 3921391169 11 32982034061 12 278635097351 13 2362736395895 14 20099255075641 15 171451320170481 16 1466033625495387 17 12562096168712455 18 107842286116562887