# A147248 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 1 7 7 8 9 9 31 10 55 11 549 12 1047 13 10041 14 21681 15 484881 16 1255593 17 40179283 18 122480813 19 7136007271 20 25526356825 21 2044413653787 22 8531086609057 23 1153670123416227 24 5640169181500505 25 1230123398597079731