# A337962 (b-file synthesized from sequence entry) 1 1 2 68 3 1659 4 16464 5 97935 6 420708 7 1443197 8 4198720 9 10770597 10 25016740 11 53619335 12 107545296 13 204013251 14 369072900 15 640912665 16 1074021632 17 1744341865 18 2755557252 19 4246675123 20 6401066960 21 9457144599 22 13720858404