# A168317 (b-file synthesized from sequence entry) 1 1 2 1 3 3 4 6 5 16 6 39 7 103 8 263 9 690 10 1791 11 4693 12 12247 13 32073 14 83869 15 219598 16 574658 17 1504540 18 3938272 19 10310703