# A121160 (b-file synthesized from sequence entry) 5 1 6 1 7 6 8 12 9 43 10 106 11 322 12 864 13 2483 14 6829 15 19226 16 53293 17 148866 18 413501 19 1151506 20 3200184 21 8901478 22 24742852 23 68800520 24 191275736 25 531888416