# A089102 (b-file synthesized from sequence entry) 1 0 2 1 3 5 4 16 5 54 6 154 7 425 8 1098 9 2743 10 6570 11 15345 12 34839 13 77489 14 168882 15 362054 16 764097 17 1591252 18 3272640 19 6657037 20 13403600 21 26740202 22 52892435 23 103808566 24 202263470 25 391464293 26 752923563 27 1439745067 28 2738144031 29 5181039986