# A224753 (b-file synthesized from sequence entry) 1 2 2 19 3 172 4 1549 5 13942 6 125479 7 1129312 8 10163809 9 91474290 10 823268618 11 7409417569 12 66684758127 13 600162823149 14 5401465408346 15 48613188675118 16 437518698076066 17 3937668282684597 18 35439014544161376 19 318951130897452387 20 2870560178077071485 21 25835041602693643367 22 232515374424242790305 23 2092638369818185112747