# A330028 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 7 5 13 6 23 7 45 8 86 9 159 10 303 11 568 12 1069 13 2005 14 3769 15 7066 16 13251 17 24821 18 46482 19 86988 20 162758