# A259805 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 4 6 8 7 15 8 31 9 66 10 142 11 306 12 678 13 1512 14 3410 15 7750 16 17786 17 41067 18 95514 19 223295 20 525203 21 1240734 22 2945383 23 7019239 24 16795983 25 40325120 26 97153672 27 234753693 28 568950192