# A192497 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 6 4 20 5 73 6 281 7 1124 8 4633 9 19547 10 84023 11 366695 12 1620513 13 7237034 14 32609389 15 148066067 16 676805101 17 3111807931 18 14381741533 19 66775448718 20 311332294182 21 1456999560630 22 6841841485578 23 32228152992893 24 152241706312812 25 721055062770213