# A337262 (b-file synthesized from sequence entry) 0 2 1 5 2 15 3 48 4 169 5 618 6 2319 7 8804 8 33649 9 129046 10 495779 11 1906520 12 7335029 13 28227578 14 108642983 15 418176700 16 1609656953 17 6196050718 18 23850681323 19 91809753632 20 353409321213